Budapest és környékének rotatoria-faunája / irta Kertész Kálmán - Kertész, Kálmán, 1867 -1922 (Rózsa Kálmán, 1894)

Bulletin - United States National Museum (G.P.O, 1913)

Bulletin de l'Institut océanographique de Monaco - Institut océanographique. (L'Institut, 1921)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1903)

Bulletin de la Société neuchâteloise des sciences naturelles - Société neuchâteloise des sciences naturelles. (Impr. wolfrath, 1918)

Bulletin de la Société vaudoise des sciences naturelles - Société vaudoise des sciences naturelles. (Blanchard, 1910)

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.], 1901)

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

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

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

Bulletin des sciences naturelles et de géologie (1830)

Bulletin du Muséum national d'histoire naturelle. Série 3, Zoologie - Muséum national d'histoire naturelle (France) (1974)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1920)

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, 1927)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1957)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1979)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1906)

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

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1920)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1922)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1923)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1927)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1924)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1925)

Bulletin of the Bureau of Fisheries - United States. Bureau of Fisheries. (Govt. Print. Off, 1906)

Bulletin of the Bureau of Fisheries - United States. Bureau of Fisheries. (Govt. Print. Off, 1914)

Bulletin of the Bureau of Fisheries - United States. Bureau of Fisheries. (Govt. Print. Off, 1922)

Bulletin of the Bureau of Fisheries - United States. Bureau of Fisheries. (Govt. Print. Off, 1919)

Bulletin of the Bureau of Fisheries - United States. Bureau of Fisheries. (Govt. Print. Off, 1924)

Bulletin of the Bureau of Fisheries - United States. Bureau of Fisheries. (Govt. Print. Off, 1927)

Bulletin of the Bureau of Fisheries - United States. Bureau of Fisheries. (Govt. Print. Off, 1929)

Bulletin of the Bureau of Fisheries - United States. Bureau of Fisheries. (Govt. Print. Off, 1931)

Bulletin of the Bureau of Fisheries - United States. Bureau of Fisheries. (Govt. Print. Off, 1935)