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Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1973)

Boletín de la Sociedad Aragonesa de Ciencias Naturales - Sociedad Aragonesa de Ciencias Naturales. (Librería Editorial de Cecilio Gasca, 1909)

Boletín de la Sociedad Aragonesa de Ciencias Naturales - Sociedad Aragonesa de Ciencias Naturales. (Librería Editorial de Cecilio Gasca, 1910)

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

Boletín de la Sociedad Ibérica de Ciencias Naturales - Sociedad ibérica de ciencias naturales. (Librería Editorial de Cecilio Gasca, 1919)

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, 1915)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1981)

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Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 1990)

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The book of British butterflies - Lucas, William John (L.U. Gill, 1893)

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

Botanical gazette ([publisher not identified], 1921)

Botanik und Zoologie in Österreich in den Jahren 1850 bis 1900. Festschrift - Wettstein, Richard, Ritter von Westersheim, 1863 -1931 (A. Hölder, 1901)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1873)

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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)

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Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1964)

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

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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, 1823)

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British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2006)

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British zoophytes : an introduction to the hydroida, actinozoa, and polyzoa found in Great Britain, Ireland, and the Channel Islands - Pennington, Arthur S. (Arthur Stuart) (L. Reeve, 1885)

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Bulletin - New York State Museum; Science Service. (University of the State of New York, 1973)

Bulletin - Porto Rico Agricultural Experiment Station. (G.P.O, 1939)

Bulletin - Porto Rico Agricultural Experiment Station. (G.P.O, 1949)

Bulletin - United States National Museum (G.P.O, 1947)

Bulletin de l'Institut botanique de Buitenzorg - Kebun Raya Indonesia. (1900)

Bulletin de la Société d'histoire naturelle de Toulouse - Société d'histoire naturelle de Toulouse. (Bonnal et Gibrac, 1889)

Bulletin de la Société entomologique d'Égypte - Jamiyat al-Hasharat al-Misriyah. (Société entomologique d'Égypte, 1912)

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

Bulletin de la Société entomologique d'Égypte - Jamiyat al-Hasharat al-Misriyah. (Société entomologique d'Égypte, 1922)

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Bulletin de la Société entomologique de France - Société entomologique de France. (La Société, 1900)

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Bulletin de la Société entomologique de France - Société entomologique de France. (La Société, 1908)

Bulletin de la Société entomologique de France - Société entomologique de France. (La Société, 1909)

Bulletin de la Société entomologique de France - Société entomologique de France. (La Société, 1910)

Bulletin de la Société entomologique de France - Société entomologique de France. (La Société, 1911)

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