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

Herbertia - American Plant Life Society. (American Plant Life Society, 1938)

Herbertia - American Plant Life Society. (American Plant Life Society, 1939)

Herbertia - American Plant Life Society. (American Plant Life Society, 1940)

Herbertia - American Plant Life Society. (American Plant Life Society, 1941)

Herbertia - American Plant Life Society. (American Plant Life Society, 1942)

Herbertia - American Plant Life Society. (American Plant Life Society, 1944)

Herbertia - American Plant Life Society. (American Plant Life Society, 1945)

Herbertia - American Plant Life Society. (American Plant Life Society, 1946)

Herbertia - American Plant Life Society. (American Plant Life Society, 1947)

Herbertia - American Plant Life Society. (American Plant Life Society, 1948)

Herbier General de l'Amateur (1841)

Herbier General de l'Amateur (1843)

Here's our special bargain collection - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Bourgondien Bros, 1948)

Here's our special bargain collection - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Bourgondien Bros, 1947)

High-grade Dutch bulbs : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Eiland Nursery Co, 1915)

High quality Dutch bulbs, fall 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (P. de Jager & Sons, Inc, 1951)

High quality Dutch bulbs, fall 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (P. de Jager & Sons, Inc, 1952)

High quality Dutch bulbs, fall 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (P. de Jager & Sons, Inc, 1953)

High quality Dutch bulbs, fall 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (P. de Jager & Sons, Inc, 1954)

Histoire des plantes - Baillon, H. (Henri), 1827 -1895 (Librairie Hachette, 1895)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1846)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1848)

Histoire naturelle illustrée: les plantes - Faideau, Ferdinand, 1862 -1930? (Larousse, 1922)

Histoire physiologique des Plantes d'Europe, ou exposition des phénomènes qu'elles presentent dans les diverses periodes de leur développement - Vaucher, Jean-Pierre, 1763 -1841 (Aurel Freres, 1841)

Historia natural - Brehm, Alfred Edmund, 1829 -1884 (Montaner y Simón, 1880)

Historia natural : la creación - Brehm, Alfred Edmund, 1829 -1884 (Montaner y Simón, 1880)

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

Holland bulbs & plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Flowerdale Bulb & Plant Co, 1938)

Holland bulbs book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Meskers Bulb Comp, 1950)

Holland bulbs book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Meskers Bulb Comp, 1949)

Holland bulbs stock on hand at "Tulipdom" : 1949 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Zandbergen Brothers, 1949)

Home and garden; notes and thoughts, practical and critical, of a worker in both - Jekyll, Gertrude, 1843 -1932 (Longmans,Green and co, 1910)

Home and garden : notes and thoughts, practical and critical, of a worker in both - Jekyll, Gertrude, 1843 -1932 (Longmans, Green, 1900)

Home floriculture; a practical guide to the treatment of flowering and other ornamental plants in the house and garden - Rexford, Eben E. (Eben Eugene), 1848 -1916 (O. Judd company, 1903)

Home floriculture; a familiar guide to the treatment of flowering and other ornamental plants in the house and garden - Rexford, Eben E. (Eben Eugene), 1848 -1916 (Orange Judd company, 1903)

Home floriculture; a practical guide to the treatment of flowering and other ornamental plants in the house and garden - Rexford, Eben E. (Eben Eugene), 1848 -1916 (Orange Judd company, 1916)

Home gardening - Trivedi, Pratibha P. (Indian Council of Agricultural Research, 2010)

Horticulteur belge, journal des jardiniers et amateurs (1833)