The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1899)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1901)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1903)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1904)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1904)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1904)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1904)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1904)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1904)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1904)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1904)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1905)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1905)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1905)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1907)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1907)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1907)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1909)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1909)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1909)

The gardening world illustrated : a weekly paper exclusively devoted to all branches of practical gardening (Brian Wynne, 1909)

Gardens for small country houses - Jekyll, Gertrude, 1843 -1932 (Country Life [etc.], 1920)

Gardens for small country houses - Jekyll, Gertrude, 1843 -1932 (Country life [etc.], 1914)

Gardens of the South - Lawrence, Elizabeth, 1904 -1985 (The University of North Carolina Press, 1945)

Gardenside Nurseries : 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardenside Nurseries, 1941)

Gardenside Nurseries, Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardenside Nurseries, 1942)

Gardenside Nurseries, Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardenside Nurseries, 1935)

Gartenflora - Deutsche Gartenbau-Gesellschaft. (F. Enke, 1883)

Gartenflora - Deutsche Gartenbau-Gesellschaft. (F. Enke, 1888)

Gartenflora - Deutsche Gartenbau-Gesellschaft. (F. Enke, 1888)

Gartenflora - Deutsche Gartenbau-Gesellschaft. (F. Enke, 1890)

Gartenflora - Deutsche Gartenbau-Gesellschaft. (F. Enke, 1906)

Gartenflora - Deutsche Gartenbau-Gesellschaft. (F. Enke, 1882)

Die Gartenwelt - Hesdörffer, Max, 1863 -1920 (G. Schmidt, 1916)

General catalog, 1927 plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1927)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1940)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1938)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1942)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1936)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1936)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1942)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1938)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1940)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1942)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1940)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1938)

General catalog of ground-cover plants, rock-garden plants, herbaceous perennials ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1936)

General catalogue, 1926: Plant and shrub section - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1926)

General catalogue and pricelist of Michigan wild flowers : trees, shrubs, vines, orchids, ferns, aquatics, grasses and sedges suitable for lawns, parks, gardens, rockeries, lakes and ponds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wilfred A. Brotherton, 1893)

General catalogue of fruit and ornamental trees, evergreens, shrubs, vines and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (M.H. Harman Company, 1914)

General catalogue [of] hardy fruits and ornamental trees, shrubs, vines and roses : the product of sixty years' experience - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. & T. Smith Company, 1912)

General indexes to the plants contained in the first fifty-three volumes (or old series complete) of the Botanical magazine : to which is added, a few interesting memoirs of the author, Mr. W. Curtis - Curtis, Samuel, 1779 -1860 (Printed by Edward Couchman ... for the proprietor, Samuel Curtis ..., 1828)

General indexes to the plants contained in the first fifty-three volumes (or old series complete) of the Botanical magazine : to which is added, a few interesting memoirs of the author, Mr. W. Curtis - Curtis, Samuel, 1779 -1860 (Printed by Edward Couchman ... for the proprietor, Samuel Curtis ..., 1828)

General indexes to the plants contained in the first fifty-three volumes (or old series complete) of the Botanical magazine : to which is added, a few interesting memoirs of the author, Mr. W. Curtis - Curtis, Samuel, 1779 -1860 (Printed by Edward Couchman ... for the proprietor, Samuel Curtis ..., 1828)

General report of the Board of Commissioners of the Department of Public Parks for the period of twenty months, from - New York (N.Y.). Department of Public Parks. (William C. Bryant & Co, 1873)

[Geo. Cooling & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1912)

The geology of New Hampshire. A report comprising the results of explorations ordered by the legislature - Hitchcock, Charles H. 1836 -1919 (E.A. Jenks, state printer, 1874)

The geology of New Hampshire : a report comprising the results of explorations ordered by the legislature - Upham, Warren, 1850 -1934 (E. A. Jenks, state printer, 1874)

The geology of New Hampshire A report comprising the results of explorations ordered by the legislature - Upham, Warren, 1850 -1934 (E. A. Jenks, state printer, 1874)

The geology of New Hampshire A report comprising the results of explorations ordered by the legislature - Upham, Warren, 1850 -1934 (E. A. Jenks, state printer, 1874)

The geology of Susquehanna county and Wayne county - White, I. C. (Israel Charles), 1848 -1927 (Board of commissioners for the Second geological survey, 1881)

Geschichte des Pflanzenreichs - Voigt, F. S. (Friedrich Siegmund), 1781 -1850 (F. Mauke, 1850)

Gillett Fern and Flower Farm, Inc., 1878-1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett Fern and Flower Farm, 1941)

Gillett Fern and Flower Farm, Inc., 1878-1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett Fern and Flower Farm, 1941)

Gillett Fern and Flower Farm, Inc., 60th anniversary, 1878-1938 : ferns, azaleas, kalmias, wild flowers, rhododendrons - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett Fern and Flower Farm, Inc, 1938)

Gillett's, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett Fern and Flower Farm, 1942)

Gillett's, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett Fern and Flower Farm, 1942)

Gillett's Fern and Flower Farm, Inc., 1878-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1939)

Gillett's Fern and Flower Farm, Inc., 1878-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1939)

Gillett's Fern and Flower Farm, Inc., 1878-1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1940)

Gillett's Fern and Flower Farm, Inc., 1878-1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1940)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1909)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1911)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1915)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1912)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1914)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1909)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1910)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1915)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1908)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1910)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1914)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1908)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1913)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1912)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1918)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1920)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett, 1924)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1922)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1922)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett, 1924)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1921)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1918)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1918)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1918)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1920)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1921)

Gillett's Hardy Fern and Flower Farm, 1878-1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1926)

Gillett's Hardy Fern and Flower Farm, 1878-1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1926)

Gillett's hardy fern and flower farm, 1878-1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1927)

Gillett's hardy fern and flower farm, 1878-1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1927)

Gillett's hardy fern and flower farm, 1878-1928 : 50th anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1928)

Gillett's hardy fern and flower farm, 1878-1928 : 50th anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1928)

Gillett's hardy fern and flower farm : wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett], 1909)

Gillett's hardy fern and flower farm : wholesale trade list : fall, 1920-spring 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1920)

Gillett's hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett, 1906)

Gillett's hardy ferns and flowers, bog plants, native shrubs, orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1907)

Gillett's native plants : 1878-1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett], 1923)

Gillett's native plants : 1878-1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett], 1923)

Good things for your garden in flower and vegetable seeds, herbaceous and rock plants, bulbs and shrubs - Roderick M. Crocket & Co., Inc. (Roderick M. Crocket & Co, 1925)

Gray's school and field book of botany : consisting of "Lessons in botany" and "Field, forest, and garden botany," bound in one volume - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor, 1881)

Green mountain everbearing strawberry - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1935)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1974)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1978)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1978)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1979)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1981)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1980)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1982)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1983)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1983)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1986)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1986)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1987)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1991)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1994)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1994)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1994)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1995)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1995)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1995)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1997)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1997)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1997)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 2002)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 2008)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 2009)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 2009)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 2009)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 2010)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 2010)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 2010)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1949)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1949)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1952)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1983)

Ground cover plants : rock-garden plants and herbaceous, perennials, trees, shrubs and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1945)

Ground cover plants : rock-garden plants and herbaceous, perennials, trees, shrubs and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1945)

Ground cover plants : rock-garden plants and herbaceous, perennials, trees, shrubs and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1945)

Growth in living systems; proceedings - Zarrow, M. X. (Basic Books, 1961)

A guide to the wild flowers - Britton, Nathaniel Lord, 1859 -1934 (F. A. Stokes, 1899)

A guide to the wild flowers - Britton, Nathaniel Lord, 1859 -1934 (F. A. Stokes, 1899)

A guide to the wild flowers - Rowan, Ellis, 1848 -1922 (McLelland, Goodchild & Steward, 1899)

A guide to the wild flowers - Britton, Nathaniel Lord, 1859 -1934 (F. A. Stokes, 1899)

A guide to the wild flowers - Rowan, Ellis, 1848 -1922 (W. Briggs, 1899)

A guide to the wild flowers east of the Mississippi and north of Virginia - Taylor, Norman, 1883 -1967 (Greenberg, 1928)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1895)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1894)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1895)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1904)

Haliburton flora : an annotated list of the vascular plants of the County of Haliburton, Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1991)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1890)

Hand book and catalogue of pot grown rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1948)

Hand-list of herbaceous plants cultivated in the Royal Botanic Gardens (Printed for H. M. Stationery Off. by Darling, 1902)

Handbook and catalog of pot grown rock plants for 1950 and 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1950)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1908)

Handbook of the flora of Philadelphia and vicinity, containing data relating to the plants within the following radius: eastern Pennsylvania; all of New Jersey except the northern counties; and New Castle County, Delaware, with keys for identification of species - Brown, Stewardson, 1867 -1921 (Philadelphia Botanical Club, 1905)

Handbook of the flora of Philadelphia and vicinity, containing data relating to the plants within the following radius: eastern Pennsylvania; all of New Jersey except the northern counties; and New Castle County, Delaware, with keys for identification of species - Brown, Stewardson, 1867 -1921 (Philadelphia Botanical Club, 1905)

Handbook of the flora of Philadelphia and vicinity, containing data relating to the plants within the following radius: eastern Pennsylvania; all of New Jersey except the northern counties; and New Castle County, Delaware, with keys for identification of species - Brown, Stewardson, 1867 -1921 (Philadelphia Botanical Club, 1905)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Pharmakognosie - Remy, E. (C. H. Tauchnitz, 1909)

Hardy American evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hardy Evergreen Gardens, 1923)

Hardy American ornamental plants - Gardens of the Blue Ridge (Nursery) (The Gardens)

Hardy American ornamental plants for immediate effects - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1934)

Hardy American ornamental plants for immediate effects : fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Hardy American ornamental plants for immediate effects : fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Hardy American ornamental plants for immediate effects : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Hardy American ornamental plants for immediate effects : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Hardy American ornamental plants for immediate effects : spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1936)

Hardy Fern Foundation quarterly - Hardy Fern Foundation. (The Hardy Fern Foundation, 2006)

Hardy ferns & flowers, shrubs, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1901)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1929)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1930)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1932)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1930)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1931)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1931)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1929)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1890)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1898)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1901)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1903)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1904)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1908)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1908)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1910)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1910)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1912)