The British fern gazette - British Pteridological Society. (British Pteridological Society, 1959)

The British fern gazette - British Pteridological Society. (British Pteridological Society, 1909)

British natural history studies : reptiles, amphibians, fishes, etc - Westall, William Percival, 1874 - (The Boy's Own Paper Office, The Religious Tract Society, 1900)

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

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, 1926)

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

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, 1934)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1942)

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

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

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

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 - Société des amis des sciences naturelles de Rouen. (1913)

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 - 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 de la Classe physico-mathématique de l'Académie impériale des sciences de Saint-Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Fiziko-matematicheskoe otdielenīe. (W. Graeff, 1847)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1867)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1877)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1888)

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 des sciences naturelles de l'Ouest de la France - Société des sciences naturelles de l'Ouest de la France. (Société des sciences naturelles de l'Ouest de la France [etc.], 1920)

Bulletin de la Société fribourgeoise des sciences naturelles : compte-rendu - Société fribourgeoise des sciences naturelles (Imprimerie Ant. Henseler, 1880)

Bulletin de la Société géologique de France - Société géologique de France. (La Société, 1830)

Bulletin de l'Académie impériale des sciences de St.-Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Imprimerie de l'Académie Impériale des Sciences, 1879)

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, 1987)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1961)

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

Bulletin international de l'Académie des sciences de Cracovie Classe des sciences mathématiques et naturelles - Akademja Umiejętności w Krakowie. Wydział Matematyczno-Przyrodniczy (Impr. de l'Université, 1907)

Bulletin international. Resumés des travaux présentés Classe des sciences mathématiques, naturelles et de la médecine - Ceská akademie ved a umení. (Académie des sciences, 1911)

Bulletin of Carnegie Museum of Natural History - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1982)

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, 1912)

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

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

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1966)

Bulletin of the British Museum (Natural History) Botany - British Museum (Natural History) (The Museum, 1985)

Bulletin of the British Museum (Natural History) Botany - British Museum (Natural History) (The Museum, 1986)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1953)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1957)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1960)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1959)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1961)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1962)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1963)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1965)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1966)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1969)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1968)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1979)

Bulletin of the Natural History Museum. Geology series - Natural History Museum (London, England) (Intercept, 2001)

Bulletin of the Natural History Museum. Botany series - Natural History Museum (London, England) (The Natural History Museum, 2001)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1900)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1905)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1906)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1922)

Bulletin of the scientific laboratories of Denison University - Denison Scientific Association. ([The University], 1919)

Bulletin - Southern California Academy of Sciences. (The Academy, 1975)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1875)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1890)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1895)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1896)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1898)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1899)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1905)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1906)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1907)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1908)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1909)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1910)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1923)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1922)

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. (1894)

Bulletins de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1864)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1965)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1973)