[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)

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

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

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

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

Hedge Lawn Nurseries, Roanoke, Virginia : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nurseries, 1926)

Hedge Lawn Nursery, Roanoke, Virginia [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nursery, 1928)

Hedge Lawn Nursery, Roanoke, Virginia [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nursery, 1927)

Hedge Lawn specials, fall 1931 - spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nurseries, 1931)

Hedge Lawn specials : plan to plant now - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nurseries, 1935)

Hedge Lawn specials, spring 1932 - fall 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nurseries, 1932)

Hedwigia (Verlag und Druck von C. Heinrich, 1903)

Henry Schnitzspahn [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Schnitzspahn, 1924)

Herbertia - American Plant Life Society. (American Plant Life Society, 1934)

Herbier de l'Amateur de Fleurs (1834)

Herbier General de l'Amateur (1822)

Herbier General de l'Amateur (1844)

Here they come! : the elite on parade, garden lovers and enthusiasts stand by! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New Market Perennial Gardens, 1936)

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

Hicks Nurseries price list, 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Hicks & Son, 1912)

High grade collected broad-leaved evergreens at bargain prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1927)

Hillsdale Gardens invite you. Price list 11 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillsdale Landscape Company, 1954)

Hillsdale Gardens invite you. Price list 11 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillsdale Landscape Company, 1956)

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)

Histoire des arbres forestiers de l'Amérique septentrionale considérés principalement sous les rapports de leur usage dans les arts et de leur introduction dans le commerce ainsi que d'après les avantages qu'ils peuvent offrir aux gouvernemens en Europe et aux personnes qui veulent former de grandes plantations - Michaux, François-André, 1770 -1855 (De l'imprimerie de L. Haussmann, 1813)

Histoire des arbres forestiers de l'Amérique septentrionale, considérés principalement sous les rapports de leur usages dans les arts et de leur introduction dans le commerce ... - Michaux, François-André, 1770 -1855 (L. Haussmann, 1813)

Histoire des arbres forestiers de l'Amérique septentrionale, : considérés principalement sous les rapports de leur usage dans les arts et de leur introduction dans le commerce, ainsi que d'après les avantages qu'ils peuvent offrir aux gouvernemens en Europe et aux personnes qui veulent former de grandes plantations - Michaux, François-André, 1770 -1855 (De l'Imprimerie de L. Haussmann et d'Hautel, 1810)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1840)

History of Shortia School - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shortia School, 1895)

History of the Massachusetts horticultural society - Manning, Robert, (The Society, 1880)

History of the Massachusetts Horticultural Society. 1829-1878 - Manning, Robert. (The Society, 1880)

A history of the Pennsylvania Horticultural Society, 1827-1927 - Boyd, James, 1858 -1929 (Pennsylvania Horticultural Society, 1929)

Holly, yew & box, with notes on other evergreens - Moore, Thomas, 1821 -1887 (John Lane, 1908)

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, 1924 : summer planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1924)

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 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 planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (French Nurseries, 1937)

The honey bee; its natural history, physiology, and management - Bevan, Edward, 1770 -1860 (Baldwin, Cradock, and Joy, 1827)

The honey-makers - Morley, Margaret Warner, 1858 -1923 (A. C. McClurg and company, 1899)

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. (Hoopes, Bro. & Thomas Company, 1914)

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, 1918)

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, 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, 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, 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 hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1945)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1951)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1946)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1948)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1949)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1950)

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, 1904)

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, 1906)

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 regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1935)

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, 1938)

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, 1937)

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)

Horticulteur belge, journal des jardiniers et amateurs (1833)

Horticultural register, and gardener's magazine - Breck, Joseph, 1794 -1873 (G. D. Barrett [etc.], 1835)

Horticultural register, and gardener's magazine - Breck, Joseph, 1794 -1873 (G. D. Barrett [etc.], 1836)

Horticultural register, and gardener's magazine - Breck, Joseph, 1794 -1873 (G. D. Barrett [etc.], 1837)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1833)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1904)

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

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

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

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, 1913)

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

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

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

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1919)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1846)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1852)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1853)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1856)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1858)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1861)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1864)

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 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)

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.], 1902)

House & garden (Condé Nast Publications, etc.], 1907)

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

House & garden (Condé Nast Publications, etc.], 1910)

House & garden (Condé Nast Publications, etc.], 1917)

Hoverman Brothers, nurseryment, landscape contractors and planters [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoverman Brothers, 1928)

How to know the wild flowers; a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1898)

How to know the wild flowers: a guide to the names, haunts, and habits of our common wild-flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1900)