Bulletin no. 1 : February 19, 1960 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shenandoah Nurseries, 1960)

Bulletin no. 1 : February 21, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shenandoah Nurseries, 1955)

Bulletin no. 1 : February 23, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shenandoah Nurseries, 1956)

Bulletin no. 1 : March 10, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shenandoah Nurseries, 1958)

Bulletin no. 1 : March, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shenandoah Nurseries, 1959)

Bulletin no. 2 : April 1, 1960 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shenandoah Nurseries, 1960)

Bulletin no. 2 : April 7, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shenandoah Nurseries, 1958)

Bulletin no. 2 : March 21, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shenandoah Nurseries, 1955)

Bulletin no. 2 : March 27, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shenandoah Nurseries, 1956)

Bulletin no. 2 : March 27, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shenandoah Nurseries, 1957)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1921)

Bulletin of miscellaneous information. Additional Series - Royal Botanic Gardens, Kew. (Royal Botanic Gardens], 1920)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1958)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1982)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1985)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1986)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1987)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1988)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1989)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1990)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1991)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1992)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1993)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1994)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1995)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1996)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1997)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1998)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1999)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2000)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2001)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2002)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2003)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2004)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2005)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2006)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2007)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2008)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2009)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 2010)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1989)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1991)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1993)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1942)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1943)

Bulletin of the Bureau of Fisheries - United States. Bureau of Fisheries. (Govt. Print. Off, 1921)

Bulletin of the California Academy of Sciences - California Academy of Sciences (The Academy], 1886)

The bulletin of the College of Agriculture, Tokyo Imperial University - Tokyo Norin Gakko. (College of Agriculture, Tokyo Imperial University, 1887)

Bulletin of the Garden Club of America - Garden Club of America. (Garden Club of America, 1922)

Bulletin of the United States Geological Survey - Geological Survey (U.S.) (G.P.O, 1906)

Bulletin of the United States Geological Survey - Geological Survey (U.S.) (G.P.O, 1909)

Bulletins de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1844)

Burbrec Nurseries Inc., 1936, successors to Breck's Nurseries, Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burbrec Nurseries Inc, 1936)

Burgess, 1961 : garden guide catalog, good until Dec. 31st, 1961 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burgess Seed & Plant Co, 1961)

Burgess : garden guide catalog, good until Dec. 31st, 1960 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burgess Seed & Plant Co, 1960)

Burgess Seed and Plant Co., 26th year, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burgess Seed and Plant Co, 1939)

Burgess Seed and Plant Co., 27th year, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burgess Seed and Plant Co, 1940)

Burgess Seed and Plant Co., 28th year, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burgess Seed and Plant Co, 1941)

Burgess Seed and Plant Co., 29th year, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burgess Seed and Plant Co, 1942)