Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1890)

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, 1902)

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

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1906)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1897)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1901)

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, 1912)

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

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1984)

Bulletin of the British Museum (Natural History) Botany - British Museum (Natural History) (The Museum, 1951)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1937)

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

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1915)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1971)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1973)

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 Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1882)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1892)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1897)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1900)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1901)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1902)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1903)

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, 1912)

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, 1920)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1922)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1914)

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

Bulletin of the Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1902)

Bulletin : report of Agricultural Experiment Station, Agricultural and Mechanical College, Auburn, Ala - Agricultural; Mechanical College of Alabama. Agricultural Experiment Station. (The Station, 1888)

Bulletin - Société d'histoire naturelle d'Autun (France) (La Socit, 1888)

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 trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1904)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1905)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1906)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1907)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1908)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1909)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1910)

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

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1912)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1913)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1914)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1915)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1918)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1920)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1922)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1923)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1902)

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

Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925] - United States. Department of Agriculture. (U.S. Dept. of Agriculture, 1913)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1892)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1894)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1903)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1901)

Cahiers de la Maboké - Muséum national d'histoire naturelle (France). Station expérimentale en République Centrafricaine (Laboratoire de cryptogamie du Museum national d'histoire naturelle, 1965)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1988)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1903)

The Caribbean forester - Burke, Lauretta Marie (Tropical Forest Experiment Station, United States Forest Service, 1939)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1905)

Catalogo de las plantas que espontáneamente crecen en el valle de Vertizarana - Lacoizqueta, José Maria de, 1831 -1889 (1883)