Blütenbiologische Floristik des mittleren und nördlichen Europa sowie Grönlands. Systematische Zusammenstellung des in den letzten zehn Jahren veröffentlichten Beobachtungsmaterials - Loew, Ernst, 1843 -1908 (Enke, 1894)

Boletín de la Sociedad Aragonesa de Ciencias Naturales - Sociedad Aragonesa de Ciencias Naturales. (Librería Editorial de Cecilio Gasca, 1913)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1912)

Boletín de la Sociedad Physis - Sociedad Physis. (Coni, 1912)

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, 1909)

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, 1914)

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, 1916)

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, 1919)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1908)

The book of the fly, a nature study of the house-fly and its kin, the fly plague and a cure - Hardy, George Hudleston Hurlstone (Heinemann, 1915)

Bosquejo geográfico é histórico-natural del archipiélago Filipino por Don Ramon Jordana y Morera ... Publicado de real órden en vista del favorable informe de la Real academia de ciencias exactas, fisicas y naturales - Jordana y Morera, Ramón (Impr. de Moreno y Rojas, 1885)

Bosquejo geogrāfico ē histōrico-natural del archipiēlago Filipino - Jordana y Morera, Ramón (Imprenta de Moreno y Rojas, 1885)

Botanisch jaarboek - Kruidkundig Genootschap Dodonaea. (J. Vuylsteke, 1891)

Botanisch jaarboek - Kruidkundig Genootschap Dodonaea. (J. Vuylsteke, 1892)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1877)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1879)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1880)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1882)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1892)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1894)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1908)

Bouwstoffen voor eene fauna van Nederland - Herklots, Jan Adriaan, 1820 -1872 (Brill, 1853)

The British cyclopaedia of natural history; combining a scientific classification of animals, plants, and minerals, with a popular view of their habits, economy, and structure. By authors eminent in their particular department - Partington, Charles Frederick, 1857? (Orr & Smith, 1835)

The British cyclopædia of natural history: combining a scientific classification of animals, plants, and minerals ... - Partington, Charles Frederick, 1857? (Orr & Smith, 1835)

British entomology : being illustrations and descriptions of the genera of insects found in Great Britain and Ireland: containing coloured figures from nature of the most rare and beautiful species, and in many instances of the plants upon which they are found - Curtis, John, 1791 -1862 (Printed for the author, 1823)

British entomology : being illustrations and descriptions of the genera of insects found in Great Britain and Ireland: containing coloured figures from nature of the most rare and beautiful species, and in many instances of the plants upon which they are found - Curtis, John, 1791 -1862 (Printed for the author, 1829)

British entomology : being illustrations and descriptions of the genera of insects found in Great Britain and Ireland : containing coloured figures from nature of the most rare and beautiful species, and in many instances of the plants upon which they are found - Curtis, John, 1791 -1862 (Printed for the author, 1823)

British insects : a familiar description of the form, structure, habits, and transformations of insects - Staveley, E. F. (Eliza Fanny), 1831 -1903 (L. Reeve, 1871)

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

British vegetable galls, an introduction to their study - Connold, Edward T., 1862 -1910 (E. P. Dutton, 1902)

British vegetable galls, an introduction to their study - Connold, Edward T., 1862 -1910 (Hutchinson & co, 1901)

Brotéria : revista de sciencias naturaes do Collegio de S. Fiel - Collégio de S. Fiel (La Bécarre, 1902)

Brotéria : revista de sciencias naturaes do Collegio de S. Fiel - Collégio de S. Fiel (La Bécarre, 1905)

Budapest és környéke természetrajzi, orvosi és közmivelődési leirása : Budapest főváros : a magyar orvosok és természetvizsgálók XX. nagy-gyülésére emlékül - Dulácska, Géza, (Nyomatott a Magyar Királyi Egyetemi Könyvnyomdában, 1879)

Buletinul Societății de Șciințe din Bucureșci, România = Bulletin de la Société des sciences de Bucarest, Roumanie - Societatea de Științe din București. (Societatea, 1904)

Bulletin - United States National Museum (G.P.O, 1909)

Bulletin - Société des amis des sciences naturelles de Rouen. (1884)

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

Bulletin - United States National Museum (G.P.O, 1968)

Bulletin de la Société botanique des Deux-Sèvres - Société botanique des Deux-Sèvres. (Impr. A. Chiron, 1889)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1832)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1834)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1842)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1847)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1863)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1872)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1880)

Bulletin de la Société philomathique de Paris - Société Philomathique de Paris. (Société philomathique de Paris, 1912)

Bulletin de la Société d'histoire naturelle de Metz - Société d'histoire naturelle de Metz. ([s.n.], 1908)

Bulletin de la Société entomologique d'Égypte - Jamiyat al-Hasharat al-Misriyah. (Société entomologique d'Égypte, 1923)

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

Bulletin de la Société nationale d'acclimatation de France - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1896)

Bulletin des séances et bulletin bibliographique de la Société entomologique de France - Société entomologique de France. (Société entomologique de France, 1885)

Bulletin des séances et bulletin bibliographique de la Société entomologique de France - Société entomologique de France. (Société entomologique de France, 1889)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1911)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1924)

Bulletin / Maine Agricultural Experiment Station - Maine Agricultural Experiment Station. (Maine Agricultural Experiment Station, 1899)

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, 1904)

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, 1918)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1919)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1920)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1892)

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, 1959)

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1964)

Bulletin of the British Museum (Natural History) Historical Series - British Museum (Natural History) (BM(NH), 1987)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1933)