The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1921)

O biológico (São Paulo) (O Institut, 1935)

O biológico (São Paulo) (O Institut, 1936)

BioRisk : biodiversity & ecosystem risk assessment (Pensoft, 2010)

Boletín de la Sociedad entomológica de España - Sociedad Entomológica de España. (Libreria editorial de C. Gasca, 1918)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1906)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1922)

Bollettino del Laboratorio di Zoologia Generale e Agraria - R. Scuola superiore d'agricoltura in Portici. Laboratorio di zoologia generale e agraria. (1913)

Bollettino del Laboratorio di zoologia generale e agraria della R. Scuola superiore d'agricoltura in Portici - R. Scuola superiore d'agricoltura in Portici. Laboratorio di zoologia generale e agraria. (E. Della Torre, 1907)

Bollettino del Laboratorio di zoologia generale e agraria della R. Scuola superiore d'agricoltura in Portici - R. Scuola superiore d'agricoltura in Portici. Laboratorio di zoologia generale e agraria. (E. Della Torre, 1908)

Bollettino del Laboratorio di zoologia generale e agraria della R. Scuola superiore d'agricoltura in Portici - R. Scuola superiore d'agricoltura in Portici. Laboratorio di zoologia generale e agraria. (E. Della Torre, 1911)

Bollettino del Laboratorio di zoologia generale e agraria della R. Scuola superiore d'agricoltura in Portici - R. Scuola superiore d'agricoltura in Portici. Laboratorio di zoologia generale e agraria. (E. Della Torre, 1918)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1885)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1902)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1921)

Bonn zoological bulletin - Zoologisches Forschungsmuseum Alexander Koenig. (Zoologisches Forschungsmuseum Alexander Koenig, 2020)

Bonn zoological bulletin - Zoologisches Forschungsmuseum Alexander Koenig. (Zoologisches Forschungsmuseum Alexander Koenig, 2021)

The book of evergreens, a practical treatise on the coniferae, or cone-bearing plants - Hoopes, Josiah, 1832 -1904 (O. Judd, 1868)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1866)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1900)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1901)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1891)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1896)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1911)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1912)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1913)

Botaniska notiser - Lunds botaniska förening. (Wahlstrm, 1876)

The Bradley bibliography; a guide to the literature of the woody plants of the world published before the beginning of the twentieth century - Sargent, Charles Sprague, 1841 -1927 (Riverside Press, 1911)

Brehms Tierleben. Allgemeine kunde des Tierreichs - Werner, Franz, 1867 -1939 (Bibliographisches Institut, 1915)

British insects and how to know them - Bastin, Harold. (Methuen, 1917)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2007)

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, 2012)

British naturalist (1893)

Bulletin - State University College of Forestry at Syracuse University. (1913)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1892)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1905)

Bulletin - United States National Museum (G.P.O, 1956)

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

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1900)

Bulletin d'insectologie agricole : journal mensuel de la Société centrale d'apiculture & d'insectologie - Société centrale d'apiculture et d'insectologie (France) (Au secrétariat de la société, 1877)

Bulletin de la Société d'histoire naturelle de Metz - Société d'histoire naturelle de Metz. ([s.n.], 1893)

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.], 1907)

Bulletin de la Société entomologique d'Égypte - Jamiyat al-Hasharat al-Misriyah. (Société entomologique d'Égypte, 1926)

Bulletin de la Société entomologique de France - Société entomologique de France. (La Société, 1900)

Bulletin de la Société entomologique de France - Société entomologique de France. (La Société, 1903)

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

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

Bulletin de la Société nationale d'acclimatation de France - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1902)

Bulletin de la Société nationale d'acclimatation de France - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1906)

Bulletin de la Société nationale d'acclimatation de France - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1912)

Bulletin de la Société zoologique de France - Société zoologique de France. (La Société, 1883)

Bulletin des séances et bulletin bibliographique de la Société entomologique de France - Société entomologique de France. (Société entomologique de France, 1892)

Bulletin des séances de la Société entomologique de France - Société entomologique de France. (Société entomologique de France, 1873)

Bulletin des séances de la Société entomologique de France - Société entomologique de France. (Société entomologique de France, 1877)

Bulletin des séances de la Société entomologique de France - Société entomologique de France. (Société entomologique de France, 1881)

Bulletin du département de l'agriculture aux indes néerlandaises - Dutch East Indies. Departement van Landbouw. (Impr. du dpartement, 1907)

Bulletin - Hatch Experiment Station. (s.n.], 1888)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1895)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1898)

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, 1900)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1901)

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, 1905)

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

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1907)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1911)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1912)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1913)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1914)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1915)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1916)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1917)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1918)