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)

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, 1970)

Brigham Young University science bulletin. Biological series - Brigham Young University. (Brigham Young University, 1971)

British birds (2007)

British birds (2008)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2003)

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, 2009)

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

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2012)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2013)

British Ornithologists' Club occasional publications - British Ornithologists' Club. (British Ornithologists' Club, 2010)

British wild flowers - Hutchinson, J. (John) 1884 -1972 (David and Charles, 1900)

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

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1926)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1928)

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, 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, 1942)

Bryophyta - Magill, Robert E. (Botanical Research Institute, Dept. of Agriculture and Fisheries, 1987)

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

Bulletin - Pennsylvania. Department of Forestry. (The Department, 1901)

Bulletin - Pennsylvania. Department of Forest; Waters. (The Department, 1902)

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

Bulletin - Philippines. Bureau of Forestry. (Bureau of printing, 1911)

Bulletin - Philippines. Bureau of Forestry. (Bureau of printing, 1916)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1957)

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

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1907)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1986)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1992)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1973)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 2003)

Bulletin - National Museum of Canada. (National Museum of Canada, 1935)

Bulletin - National Museum of Canada. (National Museum of Canada, 1938)

Bulletin - United States National Museum (G.P.O, 1965)

Bulletin - United States National Museum (G.P.O, 1964)

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1950)

Bulletin - National Museum of Canada. (National Museum of Canada, 1951)

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1958)

Bulletin - National Museum of Canada. (National Museum of Canada, 1961)

Bulletin de la Société neuchâteloise des sciences naturelles - Société neuchâteloise des sciences naturelles. (Impr. wolfrath, 1923)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1921)

Bulletin de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (La Société, 2004)

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

Bulletin du département de l'agriculture aux indes néerlandaises - Dutch East Indies. Departement van Landbouw. (Impr. du dpartement, 1907)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1989)

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 Museum national d'histoire naturelle. Sciences physico-chimiques - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1974)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1929)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1930)

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

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

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, 1911)

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

Bulletin of foreign plant introductions - United States. Office of Foreign Seed; Plant Introduction. (s.n, 1913)

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, 1920)

Bulletin of miscellaneous information. Additional Series - Royal Botanic Gardens, Kew. (Royal Botanic Gardens], 1899)

Bulletin of popular information - Arnold Arboretum, Harvard University - Arnold Arboretum. (Arnold Arboretum, 1925)