Handbuch des natürlichen Pflanzensystems nach allen seinen Classen, Ordnungen und Familien : nebst naturgemässer Gruppirung der Gattungen, oder Stamm und Verzweigung des Gewächsreiches : enthaltend eine vollständige Charakteristik und Ausführung der natürlichen Verwandtschaften der Pflanzen in ihrer Richtung aus der Metamorphose und geognostischen Verbreitung, wie die fortgebildete Zeit deren Anschauung fordert - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (Arnold, 1850)

Handbuch des natürlichen Pflanzensystems nach allen seinen Classen, Ordnungen und Familien : nebst naturgemässer Gruppirung der Gattungen, oder Stamm und Verzweigung des Gewächsreiches : enthaltend eine vollständige Charakteristik und Ausführung der natürlichen Verwandtschaften der Pflanzen in ihrer Richtung aus der Metamorphose und geographischen Verbreitung, wie die fortgebildete Zeit deren Anschauung fordert - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (Arnold, 1837)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Handy book of horticulture; an introduction to the theory and practice of gardening - Hayes, Francis Carlile. (Murray, 1901)

Handy book on pruning, grafting and budding - Udale, James. (W. & H. Smith limited; [etc., etc.], 1920)

Hardy azaleas, broad leaved evergreen and decidious shrubs : price list, 1926-1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore van Veen Nursery Co, 1926)

Hardy deciduous and evergreen trees, vines, shrubs and fruits : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1929)

Hardy deciduous and evergreen trees, vines, shrubs and fruits : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1930)

Hardy deciduous and evergreen trees, vines, shrubs and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1932)

Hardy Fern Foundation quarterly - Hardy Fern Foundation. (The Hardy Fern Foundation, 2017)

Hardy ferns & flowers, shrubs, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (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, 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 : Southwick Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1904)

Hardy flowering perennials, roses, shade and flowering trees, shrubs, hedge plants, vines, evergreens, fruit trees, and small fruits : price list, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1930)

Hardy fruits and ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.L. Watrous, Capital City Nurseries, 1919)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1931)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1929)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1932)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1930)

Hardy native and imported alpines and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.B. Drake, Alpine Gardens, 1939)

Hardy, native and imported alpines and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.B. Drake, Alpine Gardens, 1935)

Hardy, native and imported alpines and perennials : spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.B. Drake, Alpine Gardens, 1934)

Hardy nursery plants, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kirkland Nursery Co, 1947)

Hardy ornamental flowering trees and shrubs - Webster, A. D. (Angus Duncan), 1855 -1931 (Smith, Elder, 1908)

Hardy ornamental plants for the south : trees, deciduous shrubs, broad-leaved evergreens, coniferous evergreens, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1922)

Hardy ornamental plants for the south : trees, deciduous shrubs, broad-leaved evergreens, coniferous evergreens, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1923)

Hardy ornamental plants for the south : trees, deciduous shrubs, broad-leaved evergreens, coniferous evergreens, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1924)

Hardy ornamental plants for the south : trees, deciduous shrubs, broad-leaved evergreens, coniferous evergreens, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1925)

Hardy ornamental trees and shrubs - James Veitch & Sons. (James Veitch & Sons, Ltd, 1911)

Hardy perennial plants : spring 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Dieckmann & Sons, 1955)

Hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1930)

Hardy perennials and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upper Bank Nurseries, 1930)

Hardy perennials and rock plants : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upper Bank Nurseries, 1928)

Hardy perennials, conifers, trees, shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (K.E. de Waal Malefyt, 1922)

Hardy perennials, conifers, trees, shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramus Nursery, 1927)

Hardy perennials for California gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1914)

Hardy perennials, trees, evergreens, shrubs, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1944)

Hardy perennials, trees, evergreens, shrubs, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1945)

Hardy perennials, trees, evergreens, shrubs, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1947)

Hardy perennials, trees, evergreens, shrubs, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1936)

Hardy plant and service book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outdoor Arts Company, Incorporated, 1928)

Hardy plant material : spring 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Linn County Nurseries, 1950)

Hardy plant material : spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Linn County Nurseries, 1952)

Hardy plant material : spring 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Linn County Nurseries, 1953)

Hardy plant material : spring 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Linn County Nurseries, 1954)

Hardy plant material : spring 1955 : new roses, lilacs, flowering crabs, shade trees, evergreens, rare shrubs, fruit trees, berries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Linn County Nurseries, 1955)

Hardy plant specialties : spring, 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1913)

Hardy plants and trees for garden and orchard : reference guide and catalog, what and where to plant - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Lehde Nurseries, 1937)

Hardy plants for Alpine and rocky gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1926)

Hardy plants for Canadian homes, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McConnell Nursery Co, 1945)

Hardy plants : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1949)

Hardy plants : price list, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1946)

Hardy plants : price list, 1946-47 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1946)

Hardy plants : price list, 1947-48 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1947)

Hardy plants : price list, fall '48-spring '49 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1948)

Hardy plants, roses, shrubs, bulbs : wholesale catalog, fall 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1956)

Hardy plants : roses, shrubs, lilies, bulbs, seeds : wholesale catalog, spring 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1941)

Hardy plants worth having : Spring 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1905)

Hardy trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1916)

Hardy trees and plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1915)

Hardy trees and plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1914)

Hardy trees and plants for every place and purpose - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.T. Hood & Co, 1927)

Hardy trees and plants for every place and purpose : 1924 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.T. Hood & Co, 1924)

Hardy trees and plants for every place and purpose [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.T. Hood & Co, 1925)

Hardy trees and plants for every place and purpose [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.T. Hood & Co, 1928)

Hardy trees and plants for every purpose, 1893-1944, 51st year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (B.F. Barr Nurseries, 1944)

Hardy trees and plants for orchard and garden, park, and lawn - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Michigan Nursery Co, 1916)

Hardy trees and plants of quality - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1926)

Hardy trees, evergreens, vines, shrubs, roses, perennials, fruits, etc. : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1923)

Hardy trees, plants and seeds "from the heart of the Ozarks". Catalog 50, spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arkansas Seed & Nursery Co, 1925)

Hardy trees, plants and seeds "from the heart of the Ozarks". catalog no. 51, spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arkansas Seed & Nursery Co, 1926)

Hardy trees, shrubs and evergreens, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1928)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1910)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Company, 1919)

Hardy trees, shrubs and plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.B. Austin Nursery Co, 1915)

Hardy trees, shrubs, evergreens, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gramatan Gardens of Clark the Florist, 1923)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1923)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1921)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1926)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United Litho. & Ptg. Cos, 1924)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1923)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1923)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1922)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1929)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1921)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1922)

Hardy trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Daybreak Nurseries, 1936)

Hardy trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Louis A. Byrne Nurseries, Inc, 1936)

Hardy trees shrubs, vines, evergreens, hardy perennials and fruits : Spring 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1903)

Hardy trees, shrubs, vines, roses, plants and their uses : spring 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries Co, 1914)

Hardy, well ripened Northern grown nursery stock : 1871-1946, 75th Anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Felix Gillet Nursery, 1946)

Hardy woody plants in the New York Botanical Garden - New York Botanical Garden (New York Botanical Garden, 1920)

Harkey Bros. Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harkey Bros. Nurseries, 1933)

[Harlan P. Kelsey (Firm) materials] - Harlan P. Kelsey (Firm) (1885)

Harman's general catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (M.H. Harman Company, 1915)

Harnden Seed Co. : 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Co, 1909)

Harrison Nursery Company, Incorporated [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrison Nursery Company, Inc, 1921)

Harrison Nursery Company, Incorporated [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrison Nursery Company, Incorporated, 1919)

Harrison Nursery Company, Incorporated [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrison Nursery Company, Inc, 1922)

Harrison Nursery Company, Incorporated [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrison Nursery Co. Incorporated, 1920)

Harrison Nursery Company, Incorporated [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrison Nursery Co. Incorporated, 1918)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1928)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Son's, 1913)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1914)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1915)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1918)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1917)

Harrisons' Nurseries [catalog and price list] - Harrison's Nurseries (Berlin, Md.) (Harrisons' Nurseries, 1929)

Harrisons' Nurseries : fruit and ornamental nursery stock - Harrison's Nurseries (Berlin, Md.) (Harrisons' Nurseries, 1916)

Harrisons' nurseries : Harrisons' trees and shrubs - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1920)

Harrisons' nurseries, inc. : nurserymen - orchardists - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1931)

Harrisons' nurseries : nurserymen and orchardists - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1919)

Harrisons' nurseries : nurserymen - orchardists - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1920)

Harrisons' nurseries : "nurserymen - orchardists" - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1921)

Harrisons' nurseries : nurserymen - orchardists - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1921)

Harrisons' nurseries : prices to the wholesale trade only April 3rd, 1918 - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1918)

Harrisons' nurseries : prices to the wholesale trade only April 23rd, 1918 - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1918)