Handbuch der Naturgeschichte aller drei Reiche, fur Lehrer and Lernende, fur Schule und Haus - Bromme, Traugott, 1802 -1866 (1850)

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

Handbuch der praktischen Botanik : enthaltend die Geschichte, Beschreibung und Anwendung sämmtlicher in Deutschland wildwachsenden und in den Gärten und Gewächshäusern cultivierten Pflanzen - Voigt, F. S. (Friedrich Siegmund), 1781 -1850 (F. Mauke, 1850)

Handbuch der systematischen botanik, mit besonderer berücksichtigung der arzneipflanzen. Bd. 1 - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Handbuch für botanische Bestimmungsübungen - Niedenzu, Franz, 1857 -1937 (Engelmann, 1895)

Handleiding tot de kennis der flora van Nederlandsch Indië : Beschrijving van de families en geslachten der Nederl. Indische phanerogamen - Boerlage, Jacob Gijsbert, 1849 -1900 (E.J. Brill, 1891)

Handlexikon der Naturwissenschaften und Medizin - Bechhold, H. (Heinrich), 1866 -1937 (Bechhold, 1919)

Handwörterbuch der Pharmakognosie des Pflanzenreichs - Wittstein, Georg Christian, 1810 -1887 (E. Trewendt, 1882)

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

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 flowers. Descriptions of upwards of thirteen hundred of the most ornamental species, with directions for their arrangement, culture, etc. ... - Robinson, W. (William), 1838 -1935 (Macmillan, 1878)

Hardy garden flowers - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1912)

Hardy garden flowers - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1910)

Hardy garden flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knickerbocker Nurseries, 1916)

Hardy herbaceous & Alpine plants : autumn 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

Hardy herbaceous & Alpine plants : fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1930)

Hardy herbaceous & Alpine plants : Spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1927)

Hardy herbaceous & Alpine plants : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

Hardy herbaceous & Alpine plants : spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1929)

Hardy herbaceous & Alpine plants : wholesale catalog, autumn 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

Hardy herbaceous & Alpine plants : wholesale catalog, autumn 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1929)

Hardy herbaceous & Alpine plants : wholesale catalog, Autumn 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1927)

Hardy herbaceous & Alpine plants : wholesale catalog, fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1930)

Hardy herbaceous & Alpine plants : wholesale catalog, spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1930)

Hardy herbaceous & Alpine plants : wholesale catalog, Spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1929)

Hardy herbaceous & Alpine plants : wholesale catalog, Spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1927)

Hardy herbaceous & Alpine plants : wholesale catalog, Spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

Hardy herbaceous and Alpine plants : Autumn 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1925)

Hardy herbaceous and Alpine plants : Autumn 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous and alpine plants for the rockery, home grounds or cut flowers : fall and spring 1932-1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1932)

Hardy herbaceous and Alpine plants : Spring 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous and alpine plants : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1931)

Hardy herbaceous and Alpine plants : wholesale catalog, Autumn 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous and Alpine plants : wholesale catalog, Autumn 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1925)

Hardy herbaceous and alpine plants : wholesale catalog, spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1931)

Hardy herbaceous and Alpine plants : wholesale catalog, Spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous and rock garden plants - Clement, G. Latta. (Nik-Nar Farm, 1931)

Hardy herbaceous or perennial plants for gardens, borders, cut flowers and rockeries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ridgeville Nurseries, Inc, 1933)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1924)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Firm, 1926)

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, 1931)

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

Hardy herbaceous plants for border and rock garden Price list No. 2, spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Four O'Clock Garden Nursery, 1928)

Hardy herbaceous plants : wholesale catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Bulb Co, 1934)

Hardy herbaceous, rock garden, native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1933)

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 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.B. Drake, Alpine Gardens, 1939)

Hardy native and imported alpines and perennials : retail catalog, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Saxton & Wilson, 1945)

Hardy native and imported alpines and perennials : retail catalog 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1944)

Hardy New England grown plants, best by test [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stoughton Nurseries, 1931)

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, 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, 1923)

Hardy perennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1907)

Hardy perennial plants [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upper Bank Nurseries, 1927)

Hardy perennial plants : season 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Perennial Gardens, 1958)

Hardy perennial plants : season 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Perennial Gardens, 1959)

Hardy perennial plants shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1909)

Hardy perennial plants shrubs vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1908)

Hardy perennial plants, wholesale only for spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Co, 1943)

Hardy perennials and rock-garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1942)

Hardy perennials and rock-garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1941)

Hardy perennials and rock garden plants for fall planting : fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arthur Lee, 1935)

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 and rock plants, wholesale : fall 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1928)

Hardy perennials and rock plants, wholesale : fall 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1929)

Hardy perennials and rock plants, wholesale : fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1930)

Hardy perennials and rock plants, wholesale : spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1929)

Hardy perennials and rock plants, wholesale : spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1930)

Hardy perennials and rock plants, wholesale : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1931)

Hardy perennials and rock plants wholesale : spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1932)

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

Hardy perennials, rock garden plants, vines, roses, evergreens, etc. : wholesale price-list, spring and fall 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Incorporated, 1927)

Hardy perennials, rock garden plants, vines, roses, evergreens, etc. : wholesale price-list, spring and fall 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Incorporated, 1926)

Hardy perennials, rock-garden plants, vines, roses, evergreens, etc. : wholesale price list, spring and fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1931)

Hardy perennials, rock-garden plants, vines, roses, evergreens, etc. : wholesale price list, spring and fall 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1932)

Hardy perennials, rock-garden plants, vines, roses, evergreens, etc. : wholesale price list, spring and fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Incorporated, 1930)

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

Hardy perennials wholesale : fall 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1924)

Hardy perennials wholesale : fall 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1925)

Hardy perennials wholesale : fall 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1927)

Hardy perennials wholesale : spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1923)

Hardy perennials wholesale : spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1924)

Hardy perennials wholesale : spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1925)

Hardy perennials wholesale : spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1926)

Hardy perennials wholesale : spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1927)

Hardy perennials wholesale : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1928)

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

Hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1932)

Hardy plants : a complete collection : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1926)

Hardy plants : a complete collection : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1927)

Hardy plants : a complete collection, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1929)

Hardy plants by Wayside Gardens : root strength, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1934)

Hardy plants for more profits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1932)

Hardy plants for New England gardens, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Inc., Nurseries, 1939)

Hardy plants for New England gardens, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Inc., Nurseries, 1940)

Hardy plants for rock gardens and border : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iris Acres, 1927)

Hardy plants for the home garden, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1937)

Hardy plants for the home garden : Wisconsin wild flowers, perennials and herb plants : fall of 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1941)

Hardy plants, rock plants, dwarf and slow growing evergreens, trees & shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George L. Ehrle, 1934)

Hardy plants, rock plants, lilies, bulbs : 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1933)

Hardy plants, rock plants, lilies, bulbs : Autumn, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1932)

Hardy plants, rock plants, lilies, bulbs : autumn 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1934)

Hardy plants, rock plants, lilies, bulbs, seeds : wholesale catalog, spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1935)

Hardy plants, rock plants, lilies, bulbs : spring, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1932)

Hardy plants, rock plants, lilies, bulbs : wholesale catalog, autumn 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1934)

Hardy plants, rock plants, lilies, bulbs : wholesale catalog, autumn 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1933)

Hardy plants, rock plants, lilies, bulbs : wholesale, fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1931)

Hardy plants : root strength, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1935)

Hardy plants : root strength, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1936)

Hardy plants, root strength, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1937)

Hardy plants, root strength, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1938)

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