Boletín de la Sociedad Aragonesa de Ciencias Naturales - Sociedad Aragonesa de Ciencias Naturales. (Librería Editorial de Cecilio Gasca, 1902)

Boletín de la Sociedad entomológica de España - Sociedad Entomológica de España. (Libreria editorial de C. Gasca, 1920)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1908)

Bollettino dei musei di zoologia ed anatomia comparata della R. Università di Torino - Università di Torino. Musei di zoologia ed anatomia comparata. (Accame, 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, 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, 1914)

Bollettino del R. Comitato geologico d'Italia - R. Comitato geologico d'Italia. (Il Comitato, 1907)

Bollettino del R. Orto botanico di Palermo. Nuova serie - R. Orto botanico di Palermo. (Stab. tip. Emanuele Priulla, 1914)

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, 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, 1875)

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, 1883)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1884)

Le Bon jardinier : almanach pour l'année... : contenant des principes généraux de culture; l'indication, mois par mois, des travaux à faire dans les jardins - Poiteau, Pierre-Antoine, 1766 -1854 (École de médecine, 1860)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1993)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 2009)

Bonplandia. Zeitschrift für die gesammte Botanik - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (C. Rmpler, 1857)

The book of bugs - Sutherland, Harvey. (Street & Smith, 1902)

The book of butterflies, sphinges, and moths; illustrated by one hundred and forty-four engravings, coloured after nature - Brown, Thomas, 1785 -1862 (Whittaker & Co.; [etc.,etc.], 1834)

The book of butterflies, sphinxes and moths ... - Brown, Thomas, 1785 -1862 (Whittaker, Treacher, and Waugh & Innes, Edinburgh, 1832)

The book of butterflies, sphinxes and moths; illustrated by one hundred and forty-four engravings, coloured after nature; in three volumes - Brown, Thomas, 1785 -1862 (Whittaker, 1832)

The book of the cat - Simpson, Frances. (Cassell and company, limited, 1903)

The book of the garden - McIntosh, Charles, 1794 -1864 (W. Blackwood, 1853)

The book of the garden - McIntosh, Charles, 1794 -1864 (W. Blackwood, 1855)

Botanicon parisiense, ou, Denombrement par ordre alphabetique des plantes, qui se trouvent aux environs de Paris :avec plusieurs descriptions des plantes, leurs synonymes, le Tems de fleurir & de grainer et une critique des auteurs de botanique - Aubriet, Claude, 1665 -1742 (J. & H. Verbeek, 1727)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1912)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1858)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1862)

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

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1868)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1869)

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

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

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 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 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)

Brehms Tierleben. Allgemeine kunde des Tierreichs - Werner, Franz, 1867 -1939 (Bibliographisches Institut, 1914)

Breviora - Harvard University. Museum of Comparative Zoology. (Museum of Comparative Zoology, Harvard University, 1959)

British and Irish Salmonidæ - Day, Francis, 1829 -1889 (Williams and Norgate, 1887)

British bee journal & bee-keepers adviser (1877)

British butterflies and moths : an introduction to the study of our native Lepidoptera - Stainton, H. T, (Henry Tibbats) 1822 -1892 (L. Reeve, 1870)

British butterflies and moths: an introduction to the study of our native Lepidoptera - Stainton, H. T, (Henry Tibbats) 1822 -1892 (Reeve & Co, 1894)

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)