110 years of biological control research and development in the United States Department of Agriculture : 1883-1993 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 2000)

1936 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Company, 1936)

1943-44 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Company, 1943)

1945-46 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Company, 1945)

1945 Rosedale's Monrovia Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale's Monrovia Nurseries, 1945)

1946 Whittier Select Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Select Nurseries, 1946)

1947-1948 wholesale catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1947)

1947 Garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. James Nursery, 1947)

1947 garden book : Christensen's everything for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Christensen Nursery Co, 1947)

1947 garden guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McDonnell Nursery, 1947)

1947 Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Adams Nursery, Inc, 1947)

1948 McDonnell's ornamental trees and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McDonnell Nursery, 1948)

1948 Orchard & garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1948)

1948 ornamental trees and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The E. James Nursery, 1948)

1949-1950 wholesale catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1949)

1949 garden guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stribling's Nurseries, 1949)

1949 orchard and garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1949)

1950 orchard & garden guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stribling's Nurseries, 1950)

1951 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1951)

1951 price list : supplement to the orchard & garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1951)

1952 garden guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Christian & Johnson Company, 1952)

1952 garden guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter Andersen Nursery, 1952)

1952 price list : supplement to the orchard & garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1952)

1953 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1953)

1954-1955 wholesale catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1954)

1954 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Capital Nursery Co, 1954)

1954 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchard Nursery, 1954)

1954 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hyde's Flower & Garden Center, 1954)

1954 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Winsel Gibbs Seed & Nursery Co, 1954)

1954 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter Andersen Nursery, 1954)

1954 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Better Gardens, 1954)

1954 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kallmans Garden Nurseries, 1954)

1954 catalogs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Marsh's Nursery, 1954)

1954 general nursery catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1954)

1955-1956 wholesale catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1955)

1955 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Capital Nursery Co, 1955)

1955 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Louis Vistica Nurseries, 1955)

1955 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchard Nursery, 1955)

1956 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kallman's Garden Nurseries, 1956)

1956 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Winsel Gibbs Seed & Nursery Co, 1956)

1956 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter Andersen Nursery, 1956)

1956 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tomlinson's Nurseries, 1956)

1956 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Better Gardens, 1956)

1956 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hyde's Flower & Garden Center, 1956)

1956 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Capital Nursery Co, 1956)

1957-1958 wholesale catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1957)

1957 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Better Gardens, 1957)

1957 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tomlinson's Nurseries, 1957)

1958 California garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hyde's Flower & Garden Center, 1958)

1958 California garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchard Nursery & Florist, 1958)

1958 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Del Amo Nurseries, 1958)

1959 wholesale price list : Del Amo Nurseries, wholesale growers of ornamentals, Ove Hoyer, general manager, container grown stock field grown stock, specimen trees, pinto tag nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Del Amo Nurseries, 1959)

1966-67 professional workers in state agricultural experiment stations and other cooperating state institutions (Cooperative State Research Service, U.S. Dept. of Agriculture, 1966)

1968-69 professional workers in state agricultural experiment stations and other cooperating state institutions (Cooperative State Research Service, U.S. Dept. of Agriculture, 1969)

1970-71 professional workers in state agricultural experiment stations and other cooperating state institutions - United States. Cooperative State Research Service. (Cooperative State Research Service, United States Department of Agriculture, 1971)

1971-72 professional workers in state agricultural experiment stations and other cooperating state institutions (Cooperative State Research Service, U.S. Dept. of Agriculture, 1971)

1997 IUCN red list of threatened plants (1997)

50th Anniversary catalog, 1878-1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, 1928)

75th anniversary garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, Inc, 1953)

A provisional checklist of neotropical Rubiaceae - Robbrecht, Elmar (1992)

Abhandlungen der K. K. Zool.-Botan. Gesellschaft in Wien - Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien. (Alfred Hölder, K.U.K. Hof-und Universitäts-Buchändler, 1912)

Abhandlungen der K. K. Zool.-Botan. Gesellschaft in Wien - Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien. (Alfred Hölder, K.U.K. Hof-und Universitäts-Buchändler, 1913)

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1896)

Abhandlungen der Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften - Königlich Bayerische Akademie der Wissenschaften (1888)

Abhandlungen der Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften - Königlich Bayerische Akademie der Wissenschaften (1899)

Abridged narrative of travels through the interior of South America from the shores of the Pacific Ocean to the coasts of Brazil and Guyana, descending the river of Amazons - La Condamine, Charles-Marie de, 1701 -1774 (1808)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1917)

The Academy newsletter - California Academy of Sciences (The Academy, 1979)

An account of the isthmus of Tehuantepec in the Republic of Mexico : with proposals for establishing a communication between the Atlantic and Pacific oceans : based upon the surveys and reports of a scientific commission appointed by the projector, Don José de Garay - Garay, José de, 1801 -1858 (J.D. Smith and Co, 1846)

An account of the isthmus of Tehuantepec in the republic of Mexico; with proposals for establishing a communication between the Atlantic and Pacific oceans, based upon the surveys and reports of a scientific commission, appointed by the projector, Don José de Garay - Garay, José de, 1801 -1858 (Printed by J.D. Smith and Co, 1848)

Across unknown South America - Landor, Arnold Henry Savage, 1865 -1924 (Little, Brown, and company, 1913)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1993)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1994)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1996)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2002)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2004)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2005)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2006)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2007)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2008)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2009)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2010)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2011)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2012)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2013)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2014)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2015)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2016)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2017)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2018)

Acta Helvetica Physico-Mathematico-Anatomico-Botanico-Medica - Societas Physico-Medica Basiliensis. (1762)

Acta Societatis Regiae Scientiarum Upsaliensis - Vetenskaps-societeten i Upsala. (1748)