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

1954 gesneriad list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fantastic Gardens, 1954)

1955 fall price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Terrace View Gardens, 1955)

1957 : orchids, tropical foliage plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alberts & Merkel Bros., Inc, 1957)

1997 IUCN red list of threatened plants (1997)

Abhandlungen der Königlichen Gesellschaft der Wissenschaften zu Göttingen - Akademie der Wissenschaften in Göttingen (In der Dieterichschen Buchhandlung, 1864)

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

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1899)

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, 1918)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1919)

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

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, 1964)

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, 1967)

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, 1969)

African violet magazine - African Violet Society of America. (African Violet Society of America, 1970)

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, 1975)

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)