Bibliography of the more important contributions to American economic entomology - United States. Bureau of Entomology. (Govt. print. off, 1889)

Bibliography of the more important contributions to American economic entomology - United States. Bureau of Entomology. (Govt. print. off, 1895)

Bibliography of the more important contributions to American economic entomology - United States. Bureau of Entomology. (Govt. print. off, 1896)

Bibliography of the more important contributions to American economic entomology - United States. Bureau of Entomology. (Govt. print. off, 1898)

Bibliography of the more important contributions to American economic entomology - United States. Bureau of Entomology. (Govt. print. off, 1901)

Bibliotheca entomologica, die Litteratur über das ganze Gebiet der Entomologie, bis zum Jahre 1862 - Hagen, Hermann August, 1817 -1893 (W. Engelmann, 1862)

Bibliotheca entomologica. Die Litteratur über das ganze Gebiet der Entomologie, bis zum Jahre 1862 - Hagen, Hermann August, 1817 -1893 (W. Engelmann, 1862)

Bibliotheca entomologica. Die Litteratur über das ganze Gebiet der Entomologie, bis zum Jahre 1862 - Hagen, Hermann August, 1817 -1893 (W. Engelmann, 1863)

Bibliotheca zoologica [I] Verzeichniss der schriften ©ơber zoologie, welche in den periodischen werken enthalten und vom jahre 1846-1860 selbst©Þndig erschienen sind. Mit einschluss der allgemein-naturgeschichtlichen, periodischen und paleontologischen schriften - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1861)

Bibliotheca zoologica [I] Verzeichniss der Schriften über zoologie, welche in den Periodischen werken enthalten und vom Jahre 1846-1860 selbständig erschienen Sind - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1861)

Bibliotheca zoologica II. verzeichness der schriften über zoologie welche in den periodischen werken enthalten und vom jahre 1861-1880 selbständig erschienen sind, mit einschluss der allgemein-naturgeschichtlichen, periodischen und paleontologischen schriften - Carus, Julius Victor, 1823 -1903 (Wilhelm Engelmann, 1887)

Bibliotheca zoologica II. verzeichness der schriften über zoologie welche in den periodischen werken enthalten und vom jahre 1861-1880 selbständig erschienen sind, mit einschluss der allgemein-naturgeschichtlichen, periodischen und paleontologischen schriften - Carus, Julius Victor, 1823 -1903 (Wilhelm Engelmann, 1889)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1888)

Biological review of Ontario (Biological Society of Ontario, 1894)

The Biological review of Ontario - Biological Society of Ontario (Biological Society of Ontario, 1894)

Biological survey of the Mount Desert Region - Blake, Charles Henry, 1901 -1981 (The Wistar Institute of Anatomy and Biology, 1938)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1882)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1901)

Biologisches Zentralblatt (G. Thieme, 1918)

The biologist's handbook of pronunciations - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (Thomas, 1960)

Biology and human affairs - Ritchie, John W. (John Woodside), 1871 -1943 (World book company, 1941)

Biology for high schools - Bailey, Guy A. (Guy Andrew), 1874 -1946 (Allyn and Bacon, 1920)

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos Archipelago - Ridgway, Robert, 1850 -1929 (Govt. Print. Off, 1904)

Blumen-Zeitung - Hässler, Friedrich. (G. F. Grossmann [etc.], 1828)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1903)

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

Bollettino dei musei di zoologia ed anatomia comparata della R. Università di Torino - Università di Torino. Musei di zoologia ed anatomia comparata. (Accame, 1891)

Bollettino dei musei di zoologia ed anatomia comparata della R. Università di Torino - Università di Torino. Musei di zoologia ed anatomia comparata. (Accame, 1892)

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, 1912)

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, 1913)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1870)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1871)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1872)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1873)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1876)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1877)

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, 1891)

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, 1894)

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, 1908)

Bollettino della Società zoologica italiana - Società zoologica italiana. (La Società, 1900)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1987)

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

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

Botanisch jaarboek - Kruidkundig Genootschap Dodonaea. (J. Vuylsteke, 1894)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1867)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1870)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1903)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1897)

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

Bramble-bees and others - Fabre, Jean-Henri, 1823 -1915 (Dodd, Mead and Company, 1915)

Bramble-bees and others. Translated by Alexander Teixeira de Mattos - Fabre, Jean-Henri, 1823 -1915 (Dodd, Mead, 1915)

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

Brehms Tierleben; allgemeine kunde des thierreichs. Mit 1910 abbildungen im text, 11 karten und 180 tafeln in farbendruck und holzschnitt - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institute, 1893)

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)

British and European butterflies and moths (Macrolepidoptera) - Deuchert, H. (E. Nister, 1895)

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 naturalist (1891)

British naturalist (1893)

Brotéria. Série zoológica - Collégio de S. Fiel. (Collegio de S. Fiel, 1912)

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

Bulletin - United States National Museum (G.P.O, 1942)

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

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1908)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1911)

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

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, 1883)

Bulletin de la Classe physico-mathématique de l'Académie impériale des sciences de Saint-Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Fiziko-matematicheskoe otdielenīe. (W. Graeff, 1854)

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, 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, 1846)

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