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Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1877)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1879)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1882)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1883)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1885)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1887)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1888)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1890)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1891)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1901)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1906)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1919)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1830)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1848)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1861)

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Prodrome de paléontologie stratigraphique universelle des animaux mollusques & rayonnés, faisant suite au Cours élémentaire de paléontologie et de géologie stratigraphiques - Orbigny, Alcide Dessalines d', 1802 -1857 (V. Masson, 1849)

Prodromus faunae mediterraneae, sive Descriptio animalium maris Mediterranei incolarum, quam comparata silva rerum quatenus innotuit, adiectis locis et nominibus vulgaribus eorumque auctoribus - Carus, Julius Victor, 1823 -1903 (E. Schweizerbart, 1889)

Prodromus faunae molluscorum testaceorum maria europaea inhabitantium - Kobelt, Wilhelm, 1840 -1916 (Bauer & Raspe, 1888)

Promenades d'un naturaliste sur le littoral de Cette à Aigues-Mortes, Conchyliologie - Dubrueil, E. (C. Coulet; [etc., etc.], 1877)

The Prosobranchia of the Siboga Expedition - Schepman, M. M. (Mattheus Marinus), 1847 -1919 (E. J. Brill, 1911)

The Prosobranchia of the Siboga Expedition - Schepman, M. M. (Mattheus Marinus), 1847 -1919 (E. J. Brill, 1913)

Quarterly journal of conchology (D. Bogue, 1874)

Quarterly journal of conchology (D. Bogue, 1875)

Quarterly journal of conchology (D. Bogue, 1876)

Quarterly journal of conchology (D. Bogue, 1877)

Quarterly journal of conchology (D. Bogue, 1878)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1889)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1917)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1918)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1921)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1920)

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The Quarterly journal of the Geological Society of London - Geological Society of America. (1845)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1846)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1850)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1852)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1853)

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The Quarterly journal of the Geological Society of London - Geological Society of America. (1859)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1860)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1863)

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The Quarterly journal of the Geological Society of London - Geological Society of America. (1876)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1880)

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Raccolta dei fossili subappennini di Monte Mario presso Roma - Gardini, Galdino (s.n, 1864)

Random notes on natural history (Southwick & Jencks, 1884)

Rapport a sa majesté le roi de Portugal sur un voyage d'exploration scientifique aux îles Açores, exécuté par mm. Arthur Morelet et Henri Drouët pendent le printemps et l'été de 1857 - Drouët, Henri, 1829 -1900 (Bouquot, 1858)

Recent advances in microscopy; biological applications - MacBride, E. W. (Ernest William), 1866 -1940 (P. Blakiston's son & co., inc, 1931)

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Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1901)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1905)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1907)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1910)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1982)

Recueil d'observations de zoologie et d'anatomie compar : faites dans l'ocn atlantique, dans l'intieur du nouveau continent et dans la mer du sud pendant les anns 1799, 1800, 1801, 1802 et 1803 - Humboldt, Alexander von, 1769 -1859 (1833)

Recueil de coquilles décrites par Lamarck dans son Histoire naturelle des animaux sans vertèbres et non encore figurées - Delessert, Benjamin, baron, 1773 -1847 (chez Fortin, Masson et Cie, 1841)

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Buchdr. der K. Akademie der Wissenschaften : Zu haben bei Eggers, 1851)