The Bradley bibliography; a guide to the literature of the woody plants of the world published before the beginning of the twentieth century - Sargent, Charles Sprague, 1841 -1927 (Riverside Press, 1911)

Breves apuntes de botánica : de acuerdo con los programas oficiales para uso en las escuelas secundarias, normales y preparatorias - Martínez, Maximino, 1888 -1964 (Botas, 1930)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1964)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1965)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1967)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1970)

British birds (1979)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2006)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2010)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1920)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1921)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1924)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1925)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1929)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1931)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1932)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1933)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1934)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1935)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1937)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1939)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1940)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1941)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1943)

Bryophyta - Magill, Robert E. (Botanical Research Institute, Dept. of Agriculture and Fisheries, 1981)

Budd's flora of the Canadian Prairie Provinces (Research Branch, Agriculture Canada, 1987)

Bull Mountains coal field study : progress report, 1974 - Consolidation Coal Company. (s.n.], 1974)

Bull Mountains coal field study : progress report, 1975 : research conducted by Montana Department of Fish and Game, Environment and Information Division, and Consolidation Coal Company - Consolidation Coal Company. (s.n.], 1975)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1956)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1905)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1980)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1984)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1964)

Bulletin - United States National Museum (G.P.O, 1947)

Bulletin - United States National Museum (G.P.O, 1969)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1919)

Bulletin - National Museum of Canada. (National Museum of Canada, 1957)

Bulletin de l'Institut botanique de Buitenzorg - Kebun Raya Indonesia. (1901)

Bulletin de la Société entomologique de France - Société entomologique de France. (La Société, 1911)

Bulletin de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (La Société, 2007)

Bulletin de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1912)

Bulletin du Jardin botanique de l'état, Bruxelles. Bulletin van de Rijksplantentuin, Brussel - Jardin botanique de l'Etat (Belgium) (Jardin botanique de l'état, 1910)

Bulletin du Jardin botanique de l'état, Bruxelles. Bulletin van de Rijksplantentuin, Brussel - Jardin botanique de l'Etat (Belgium) (Jardin botanique de l'état, 1913)

Bulletin du Jardin botanique de l'état, Bruxelles. Bulletin van de Rijksplantentuin, Brussel - Jardin botanique de l'Etat (Belgium) (Jardin botanique de l'état, 1911)

Bulletin du Jardin botanique de l'état, Bruxelles. Bulletin van de Rijksplantentuin, Brussel - Jardin botanique de l'Etat (Belgium) (Jardin botanique de l'état, 1920)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1990)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1991)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1992)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1996)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1944)

Bulletin du Muséum national d'histoire naturelle Section A Zoologie, biologie et écologie animales - Muséum national d'histoire naturelle (France) (Muséum national d'histoire naturelle, 1994)

Bulletin, Gulf Biologic Station - Gulf Biologic Station (La.) (Louisiana State Board of Agriculture and Immigration, 1904)

Bulletin, Gulf Biologic Station - Gulf Biologic Station (La.) (Louisiana State Board of Agriculture and Immigration, 1907)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1918)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1953)

Bulletin / Maine Agricultural Experiment Station - Maine Agricultural Experiment Station. (Maine Agricultural Experiment Station, 1918)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1901)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1903)

Bulletin of Carnegie Museum of Natural History - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1981)

Bulletin of Carnegie Museum of Natural History - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1983)

Bulletin of Carnegie Museum of Natural History - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1992)

Bulletin of foreign plant introductions - United States. Office of Foreign Seed; Plant Introduction. (s.n, 1910)

Bulletin of foreign plant introductions - United States. Office of Foreign Seed; Plant Introduction. (s.n, 1912)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1900)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1903)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1907)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1908)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1909)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1910)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1911)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1912)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1913)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1914)