Bollettino dei musei di zoologia ed anatomia comparata della R. Università di Torino - Università di Torino. Musei di zoologia ed anatomia comparata. (Accame, 1921)

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 dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1910)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1926)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1874)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1875)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1878)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1881)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1888)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1892)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1899)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1900)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1922)

Bollettino della Societá romana per gli studi zoologici - Societá romana per gli studi zoologici. (La Societá, 1892)

Bollettino delle sedute della Accademia gioenia di scienze naturali in Catania - Accademia gioenia di scienze naturali in Catania. (Accademia Gioenia di Scienze Naturali, 1907)

Bollettino scientifico - Università di Pavia. (Bizzoni, 1889)

Bollettino scientifico - Università di Pavia. (Bizzoni, 1890)

Bonn zoological bulletin - Zoologisches Forschungsmuseum Alexander Koenig. (Zoologisches Forschungsmuseum Alexander Koenig, 2010)

Boston journal of natural history - Boston Society of Natural History. Museum. (Boston Society of Natural History, 1834)

Botanical abstracts - Board of Control of Botanical Abstracts. (Williams & Wilkins Co, 1920)

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

Brehms thierleben, allgemeine kunde des thierreichs - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliographischen instituts, 1879)

Brehms thierleben, allgemeine kunde des thierreichs - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliographischen instituts, 1877)

Brehms Tierleben : allgemeine Kunde des Tierreichs : mit 1800 Abbildungen im Text, 9 Karten und 180 Tafeln in Farbendruck und Holzschnitt - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1892)

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

Brehms Tierleben. Allgemeine kunde des Tierreichs - Werner, Franz, 1867 -1939 (Bibliographisches Institut, 1913)

Brehms Tierleben. Allgemeine kunde des Tierreichs - Werner, Franz, 1867 -1939 (Bibliographisches Institut, 1912)

British beetles: an introduction to the study of our indigenous Coleoptera - Rye, E. C. (Edward Caldwell), 1832 -1885 (L. Reeve & Co, 1890)

British beetles: an introduction to the study of our indigenous Coleoptera - Rye, E. C. (Edward Caldwell), 1832 -1885 (L. Reeve & Co, 1866)

British beetles. Transferred from Curtis's British entomology - Curtis, John, 1791 -1862 (Bell and Daldy, 1863)

British birds (1937)

British butterflies, moths & beetles - Kirby, W. F. (William Forsell), 1844 -1912 (Sonnenschien, 1885)

The British Coleoptera delineated - Shuckard, William Edward, 1802 -1868 (W. Crofts, 1840)

The British Coleoptera delineated, consisting of figures of all the genera of British beetles - Shuckard, William Edward, 1802 -1868 (H.G. Bohn, 1861)

The British Coleoptera delineated, consisting of figures of all the genera of British beetles - Shuckard, William Edward, 1802 -1868 (W. Crofts, 1840)

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

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 insects (general). Illustrated by Doris Meyer - Westell, W. Percival (William Percival), 1874 -1943 (Chapman & Dodd, 1922)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1995)

British naturalist (1891)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1892)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1894)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1895)

Buletinul Societatii Române de Stiinte = Bulletin de la Société roumaine des sciences - Societatea Româna de Stiinte. (Societatea, 1911)

Bulletin - Société des amis des sciences naturelles de Rouen. (1866)

Bulletin - National Institutes of Health (U.S.) (U.S. Govt. Print. Off, 1907)

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

Bulletin - University of Arizona. Agricultural Experiment Station. (Agricultural Experiment Station, University of Arizona, 1890)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1905)

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, 1920)

Bulletin biologique de la France et de la Belgique. Supplément - Université de Paris. Laboratoire d'evolution des êtres organisés. (Laboratoire d'evolution des êtres organises, 1919)

Bulletin d'écologie - Société Française D'Écologie (Masson, 1976)

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, 1886)

Bulletin de la Classe physico-mathématique de l'Académie impériale des sciences de Saint-Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Fiziko-matematicheskoe otdielenīe. (W. Graeff, 1843)

Bulletin de la Société d'Études scientifiques d'Angers - Société d'études scientifiques d'Angers. (The Society, 1886)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1829)

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, 1835)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1838)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1839)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1840)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1841)

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, 1843)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1844)