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, 2013)

Brotéria Série zoológica - Collégio de S. Fiel. (Collegio de S. Fiel, 1910)

Buletinul Societății de Șciințe din Bucureșci, România = Bulletin de la Société des sciences de Bucarest, Roumanie - Societatea de Științe din București. (Societatea, 1892)

Bulletin - Virginia Native Plant Society. (The Society, 2011)

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

Bulletin - United States National Museum (G.P.O, 1960)

Bulletin biologique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Gauthier-Villars, 1918)

Bulletin biologique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Gauthier-Villars, 1921)

Bulletin biologique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Gauthier-Villars, 1922)

Bulletin de la Société d'Études scientifiques d'Angers - Société d'études scientifiques d'Angers. (The Society, 1907)

Bulletin de la Société d'Études scientifiques d'Angers - Société d'études scientifiques d'Angers. (The Society, 1915)

Bulletin de la Société d'écologie - Société Française D'Écologie (Société d'écologie, 1970)

Bulletin de la Société entomologique de France - Société entomologique de France. (La Société, 1916)

Bulletin de la Société entomologique de France - Société entomologique de France. (La Société, 1917)

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

Bulletin de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (La Société, 1972)

Bulletin de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (La Société, 1973)

Bulletin de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (La Société, 2001)

Bulletin de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (La Société, 2009)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1931)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1943)

Bulletin du Museum national d'histoire naturelle Ecologie générale - Muséum national d'histoire naturelle (France) (Muséum national d'histoire naturelle, 1973)

Bulletin international de l'Académie des sciences de Cracovie, Classe des sciences mathématiques et naturelles. Anzeiger der Akademie der Wissenschaften in Krakau. Reihe B, Biologische Wissenschaften Srie B Sciences naturelles - Akademja Umiejętności w Krakowie. Wydział Matematyczno-Przyrodniczy (Impr. de l'Universit, 1912)

Bulletin international de l'Académie des sciences de Cracovie, Classe des sciences mathématiques et naturelles. Anzeiger der Akademie der Wissenschaften in Krakau. Reihe B, Biologische Wissenschaften Srie B Sciences naturelles - Akademja Umiejętności w Krakowie. Wydział Matematyczno-Przyrodniczy (Impr. de l'Universit, 1917)

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, 1908)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1944)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1951)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1956)

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

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1968)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1972)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1973)

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

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1975)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1977)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1978)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1979)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1980)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1989)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1990)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1994)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1996)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1998)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1999)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 2012)

Bulletin of the British Museum (Natural History). Entomology. Supplement - British Museum (Natural History) (BM(NH), 1965)

Bulletin of the British Museum (Natural History). Entomology. Supplement - British Museum (Natural History) (BM(NH), 1976)

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1973)

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1980)

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

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1991)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1927)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1935)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1992)

Bulletin of the Natural History Museum. Entomology series - Natural History Museum (London, England) (Intercept, 1994)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1915)

The Bulletin of zoological nomenclature - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, 1980)

The Bulletin of zoological nomenclature - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, 1983)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1910)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1911)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1912)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1869)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1914)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1916)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1912)

Butterflies and moths at home and abroad - Rowland-Brown, Henry. (Bell and Cockburn, 1912)

The butterflies and moths of Kent - Chalmers-Hunt, J. M. (T. Buncle, 1968)

Butterfly counts - Opler, Paul A. (The Society, 1982)

Canada's missing dimension : science and history in the Canadian Arctic Islands - Harington, C. R. (Charles Richard), 1933 - (Canadian Museum of Nature, 1990)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1896)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1989)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1994)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2012)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2009)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1914)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1972)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1958)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1909)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1910)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1917)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalogue of bacteria associated extracellularly with insects and ticks - Steinhaus, Edward Arthur, 1914 -1969 (Burgess publishing co, 1942)

Catalogue of introductions of pathogens and nematodes for classical biological control of insects and mites - Hajek, Ann E. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2005)