Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1915)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1916)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1960)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1967)

Proceedings of the Yorkshire Geological Society - Yorkshire Geological Society. (Yorkshire Geological Society, 1909)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1842)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1847)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1850)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1855)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1853)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1881)

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

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Procès-verbaux - Société Linnéenne de Bordeaux. (1947)

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)

Prodromo della storia naturale generale e comparata d'Italia ... - Marmocchi, Francesco Constantino, 1805 -1858 (Società editrice fiorentina, 1844)

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)

Prodromus in systema historicum testaceorum - Spalowsky, Joachim Johann Nepomuk, 1752 -1797 (Gedruckt bey Ignaz Alberti's Wittwe, 1795)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C. C. Thomas, 1954)

Publications - Puget Sound Biological Station - Puget Sound Biological Station. (Puget Sound Biological Station, University of Washington, 1915)

Das Quadersandsteingebirge oder Kreidegebirge in Deutschland - Geinitz, Hanns Bruno, 1814 -1900 (Craz & Gerlach, 1849)

Quadro elementar da historia natural dos animaes - Cuvier, Georges, baron, 1769 -1832 (impresso por H. Bryer, 1815)

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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. (1847)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1849)

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)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1855)

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. (1861)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1865)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1866)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1867)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1868)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1870)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1871)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1873)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1874)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1877)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1878)

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

The Quarterly journal of the Geological Society of London - Geological Society of America. (1886)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1888)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1896)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1898)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1903)

Radiation biology - Hollaender, Alexander, 1898 - (McGraw-Hill, 1954)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1830)

Recherches sur les bdellodes ou hirudinées et les trématodes marins - Beneden, P.-J. van (Pierre Joseph), 1809 -1894 (M. Hayez, 1863)

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Le règne animal distribué d'après son organisation : pour servir de base a l'histoire naturelle des animaux et d'introduction a l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1817)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Louis Hauman et Comp, 1836)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Audouin, Jean Victor, 1797 -1841 (Fortin, Masson et cie, 1845)

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)