British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1989)

British plant-galls; a classified text book of cecidology - Swanton, Ernest W. (Methuen & co. ltd, 1912)

The British rust fungi (Uredinales), their biology and classification - Grove, W. B. (William Bywater), 1848 -1938 (Univ. Press, 1913)

The British rust fungi (Uredinales) their biology and classification - Grove, W. B. (William Bywater), 1848 -1938 (University Press, 1913)

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

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

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1979)

Bulletin - National Institutes of Health (U.S.) (U.S. Govt. Print. Off, 1910)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1965)

Bulletin - National Museum of Canada. (National Museum of Canada, 1931)

Bulletin - National Museum of Canada. (National Museum of Canada, 1932)

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

Tasmanian Field Naturalists' Club Bulletin - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1986)

Bulletin - United States National Museum (G.P.O, 1942)

Bulletin - New Hampshire Agricultural Experiment Station. (New Hampshire Agricultural Experiment Station, 1888)

Bulletin - Canada. Division of Entomology. (Division of Entomology, 1915)

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1955)

Bulletin - National Museum of Canada. (National Museum of Canada, 1962)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1908)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1856)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1866)

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, 1907)

Bulletin de la Société botanique de Genève - Société botanique de Genève. (Société botanique de Genève, 1909)

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

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1988)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1898)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1896)

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, 1941)

Bulletin - Massachusetts Agricultural Experiment Station - Massachusetts Agricultural Experiment Station. (Massachusetts Agricultural Experiment Station, 1907-1974, 1907)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1899)

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

Bulletin no. S1-9 - Canada. Department of Agriculture. Seed Branch. (1905)

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, 1899)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1922)

Bulletin of miscellaneous information. Additional Series - Royal Botanic Gardens, Kew. (Royal Botanic Gardens], 1906)

Bulletin of miscellaneous information. Additional Series - Royal Botanic Gardens, Kew. (Royal Botanic Gardens], 1922)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1974)

Bulletin of the American Iris Society - American Iris Society. (American Iris Society, 1973)

Bulletin of the British Museum (Natural History). Entomology. Supplement - British Museum (Natural History) (BM(NH), 1969)

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1962)

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1971)

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

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1958)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1910)

Bulletin of the Josselyn Botanical Society of Maine - Josselyn Botanical Society of Maine. (1908)

Bulletin of the Josselyn Botanical Society of Maine - Josselyn Botanical Society of Maine. (1920)

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

The Bulletin of the North Carolina Department of Agriculture - North Carolina. Dept. of Agriculture. (State Board of Agriculture, 1907)

The Bulletin of the Pictou Academy Scientific Association - Pictou Academy Scientific Association. (Pictou Academy, 1906)

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

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, 1908)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1916)

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, 1916)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1919)

Bulletin of the Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1907)

Bulletin - Ohio Biological Survey. (Ohio State University, 1913)

Bulletin - Ohio Biological Survey. (Ohio State University, 1915)

Bulletin - Ontario. Dept. of Agriculture. (Ontario Dept. of Agriculture)

Bulletin - State Geological and Natural History Survey of Connecticut - State Geological; Natural History Survey of Connecticut. (State Geological and Natural History Survey of Connecticut, 1923)

Bulletin - United States. Division of Agrostology. (The Division, 1895)

Bulletin - United States. Division of Agrostology. (The Division, 1897)

Bulletin - United States. Division of Agrostology. (The Division, 1898)

Bulletin - United States. Division of Agrostology. (The Division, 1899)

Bulletin - United States. Division of Agrostology. (The Division, 1900)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1912)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1904)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1905)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1906)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1907)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1908)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1911)