1937 G.C. van Meeuwen & Sons N.V., bulbgrowers & exporters : miscellaneous bulbs our specialty - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G.C. van Meeuwen & Sons, 1937)

1954 catalog of perennials and house plants : specializing in African violets, chrysanthemums, dahlieas, ivies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Terrace View Gardens, 1954)

1954 handbook of alpines and rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1954)

1954 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.A. Peterson Sons, 1954)

1956 spring price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Growers Exchange Inc, 1956)

1997 IUCN red list of threatened plants (1997)

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, 1859)

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1883)

Abhandlungen der Königlichen Gesellschaft der Wissenschaften zu Göttingen - Akademie der Wissenschaften in Göttingen (In der Dieterichschen Buchhandlung, 1856)

Abhandlungen der Königlichen Gesellschaft der Wissenschaften zu Göttingen - Akademie der Wissenschaften in Göttingen (In der Dieterichschen Buchhandlung, 1874)

Abhandlungen der Königlichen Gesellschaft der Wissenschaften zu Göttingen - Akademie der Wissenschaften in Göttingen (In der Dieterichschen Buchhandlung, 1878)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1995)

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, 1999)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2000)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2001)

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, 2008)

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, 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, 2017)

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

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1967)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1973)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1916)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1917)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1918)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1922)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1926)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1928)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1932)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1941)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1946)

Advances in cladistics : proceedings of the ... meeting of the Willi Hennig Society - Platnick, Norman I. (New York Botanical Garden, 1981)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1948)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1947)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1950)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1951)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1952)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1953)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1954)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1955)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1957)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1959)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1961)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1963)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1965)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1966)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1968)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1972)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1973)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1974)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1976)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1977)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1978)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1979)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1980)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1981)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1982)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1983)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1984)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1985)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1987)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1988)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1989)