Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1881)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1891)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1900)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1918)

Biological survey of the Mount Desert Region - Blake, Charles Henry, 1901 -1981 (The Wistar Institute of Anatomy and Biology, 1927)

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

Biological survey of the Mount Desert Region - Blake, Charles Henry, 1901 -1981 (The Wistar Institute of Anatomy and Biology, 1946)

Biology of deserts : the proceedings of a symposium on the biology of hot and cold deserts organized by the Institute of Biology - Cloudsley-Thompson, J. L. (Institute of Biology, 1954)

The biology of insects - Carpenter, George H. (George Herbert), 1865 -1939 (The Macmillan Company, 1928)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1990)

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, 1909)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1972)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1973)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1974)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1986)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1905)

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

Boletín de la Sociedad Physis - Sociedad Physis. (Coni, 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, 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, 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 Museo Zoologico della R. Università di Genova - Università di Genova. Museo Zoologico. (Museo Zoologico della R. Università di Genova, 1906)

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, 1874)

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, 1879)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1880)

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

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1889)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1904)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1913)

Bollettino della Società zoologica italiana - Società zoologica italiana. (La Società, 1901)

Bollettino della Società zoologica italiana - Società zoologica italiana. (La Società, 1907)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1975)

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

The Book of gardening; a handbook of horticulture - Drury, William D., 1857 -1928 (L. U. Gill, 1900)

The book of the seasons; or, The calendar of nature - Howitt, William, 1792 -1879 (R. Bentley, 1833)

The book of the seasons : or, The calendar of nature - Howitt, William, 1792 -1879 (Carey and Hart, 1842)

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)

Botanical gazette ([publisher not identified], 1880)

Botanical gazette ([publisher not identified], 1895)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1904)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1875)

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

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1881)

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.], 1882)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1883)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1885)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1887)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1889)

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)

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, 1912)

Breves apuntes sobre el cultivo del algodon - Valle, Alfredo del. (1910)

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

British birds (1951)

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 - Westell, W. Percival (William Percival), 1874 -1943 (Chapman & Dodd, 1920)

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

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

British Central Africa; an attempt to give some account of a portion of the territories under British influence north of the Zambezi - Johnston, Harry, 1858 -1927 (Edward Arnold, 1897)

British Central Africa; an attempt to give some account of a portion of the territories under British influence north of the Zambesi - Johnston, Harry, 1858 -1927 (Methuen & co, 1906)

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 flowering plants - Kirby, W. F. (William Forsell), 1844 -1912 (Sidney Appleton, 1906)

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 journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1989)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1990)

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

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1998)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2003)