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

Harper's guide to wild flowers - Creevey, Caroline A. Stickney, 1843 -1920 (Harper, 1912)

Harrisons' annual nursery book : largest growers of fruit trees in the world - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1934)

Harrisons' planters guide : spring 1935 - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1935)

Hart's 1934 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart's Nursery, 1934)

Hart's 1935 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart's Nursery, 1935)

Hart's 1936 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart's Nursery, 1936)

Hastings' nursery annual : winter 1933-1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1940)

Hastings' nursery annual : winter 1949-50 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1949)

he bei mu lan wei chang zhi wu zhi 河北木兰围场植物志 - Zhao, Jiancheng & Kong Zhaopu 赵建成, 孔照普 (ke xue chu ban she科学出版社, 2008)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1925)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1911)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1926)

Henderson's autumn catalogue : 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1907)

Henderson's autumn catalogue : 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1909)

Henderson's autumn catalogue : 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1910)

Henderson's autumn catalogue : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1912)

Henderson's autumn catalogue : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1927)

Henderson's autumn catalogue : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1928)

Henderson's autumn catalogue, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1929)

Herbaceous perennials, rock and Alpine plants, peonies, iris, roses, forcing stock, bulbs, nursery stock and novelties : tradelist for the season 1931-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weller Nurseries Company, Inc, 1931)

Hicks Nurseries : 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1925)

Hill Top Orchards and Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hill Top Orchards and Nurseries, 1932)

Hillenmeyer Nurseries ... 1841 - 1929-30 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.F. Hillenmeyer & Sons, 1929)

Hillenmeyer Nurseries fall 1932 - spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.F. Hillenmeyer & Sons, 1932)

HIllsdale Landscape Company. Catalogue no. 2 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillsdale Landscape Company, 1935)

Hillside Nurseries and Greenhouses [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Bennett, 1916)

Hillside Nurseries [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillside Nurseries, 1927)

Hinsdale Nurseries, Inc., 1942 – 1943, complete nursery & landscape service : propagators and growers of specimen shade, fruit and ornamental trees, evergreens, shrubs, lilacs, roses, peonies and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hinsdale Nurseries, Inc, 1942)

Histoire des arbres et arbrisseaux qui peuvent être cultivés en pleine terre sur le sol de la France - Desfontaines, René Louiche, 1750 -1833 (J. A. Brosson, 1809)

Histology of medicinal plants - Mansfield, William (J. Wiley & sons, inc.; [etc., etc.], 1916)

Histology of medicinal plants - Mansfield, William (Wiley, 1916)

Hobbs Nursery Stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1935)

Hobbs Nursery Stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1942)

Hobbs Nursery Stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1939)

Hobbs nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs and Sons, Inc, 1938)

Holco quality seed book 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes-Letherman Seed Company, 1922)

Holco quality seeds, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes-Letherman Seed Co, 1926)

Holmes' 1917 handbook of seeds & shrubbery direct to the farmer - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1917)

Home garden and landscape guide, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1932)

Home garden and landscape guide : 1933 discounts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1933)

Home landscapes : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1928)

Home landscapes, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1929)

Home landscapes, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1930)

Home landscapes, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1931)

Home landscapes, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1932)

Home landscapes including trees that save ten years : 1917 descriptive catalogue and price-list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1917)

Home landscapes including trees that save ten years : descriptive catalogue, price-list, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, Isaac Hicks & Son, 1915)

Home landscapes including trees that save ten years : descriptive catalogue, price-list, 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1916)

Home landscapes : price-list for 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, Inc, 1935)

Home landscapes : price list for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, Inc, 1936)

Home landscapes : spring & summer 1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1927)

Home, yard, and garden pest newsletter - Illinois. Natural History Survey Division (Cooperative Extension Service, 1997)

Home, yard, and garden pest newsletter - Illinois. Natural History Survey Division (Cooperative Extension Service, 1994)

Hoopes, Bro. & Thomas Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1917)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1912)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1910)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1915)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1914)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1918)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1921)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1922)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. H. Horsford, 1931)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1930)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1923)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1924)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. H. Horsford, 1932)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1925)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1926)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1927)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1928)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1929)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1933)

Horsford's autumn supplement for 1904 : hardy plants from a hardy climate - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fred'k H. Horsford, 1904)

Horsford's autumn supplement for 1906 : hardy plants from a hardy climate - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fred'k H. Horsford, 1906)

Horsford's descriptive catalogue of hardy ornamentals herbaceous plants bulbs ferns shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1894)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties, perennials, hardy lilies ... : fifty years, 1893-1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1943)

Horsford's hardy plants and bulbs : over fifty years, 1893-1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1944)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1920)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1909)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1901)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1913)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1915)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1914)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1916)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1907)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1917)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1908)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1910)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1911)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1912)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1940)

Horticultural supplies, seeds - Dunne & Co. (Dunne & Co, 1899)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1921)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1906)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1907)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1908)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1909)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1910)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1911)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1912)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1914)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1915)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1918)

L'horticulture dans les cinq parties du monde - Société nationale d'horticulture de France. (Société Nationale d'Horticulture, 1895)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1851)

Hortus Elginensis, or A catalogue of plants, indigenous and exotic, cultivated in the Elgin Botanic Garden, in the vicinity of the city of New-York : established in 1801 - Hosack, David, 1769 -1835 (Printed by T. & J. Swords, 1811)

Hortus kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew - Aiton, William, 1731 -1793 (Longman, Hurst, Rees, Orme, and Brown, 1811)

Hortus lignosus londinensis: or, A catalogue of all the ligneous plants, indigenous and foreign, hardy and half-hardy, cultivated in the gardens and grounds in the neighbourhood of London: with all their synonymes, scientific and popular, including their French, German, and Italian names; and with their native country, habit, habitation in the garden, etc. To which are added the prices of hardy trees and shrubs in the principal nurseries of London and Edinburgh, and at Bollwyller in France, and in Hamburg - Loudon, J. C. (John Claudius), 1783 -1843 (The author, 1838)

Hortus Nymphenburgensis, seu, Enumeratio plantarum in Horto Regio Nymphenburgensi cultarum - Sterler, A. (Alois), 1787 -1831 ([publisher not identified], 1821)

A host index of Mississippi plant diseases - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1947)

Host plants of leaf beetle species occurring in the United States and Canada : (Coleoptera: Megalopodidae, Orsodacnidae, Chrysomelidae, excluding Bruchinae) - Coleopterists Society. (Coleopterists Society, 2004)

House & garden (Condé Nast Publications, etc.], 1908)

House & garden (Condé Nast Publications, etc.], 1913)

House & garden (Condé Nast Publications, etc.], 1916)