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Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1852)

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Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1877)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1878)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1884)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1886)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1918)

Proceedings of the Asiatic Society of Bengal - Asiatic Society of Bengal ([The Society], 1878)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1945)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1873)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1877)

Proceedings of the California Academy of Sciences. 3d ser, Zoology - California Academy of Sciences (The Academy, 1901)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2022)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1896)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1934)

Proceedings of the Essex Institute - Essex Institute. (Essex Institute Press, 1860)

Proceedings of the Geological Society of London - Geological Society of America. (The Society, 1842)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1922)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1889)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1905)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1960)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1916)

Proceedings of the National Shellfisheries Association - National Shellfisheries Association. (Published for the National Shellfisheries Association by MPG Communications, 1977)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1883)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1917)

Proceedings of the Sixth International Marine Biological Workshop : the marine flora and fauna of Darwin Harbour, Northern Territory, Australia - Hanley, J Russell (Museum & Art Gallery of the N.T, 1997)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1880)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1881)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1886)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1888)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1891)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1893)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1894)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1899)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1900)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1906)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1911)

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.], 1919)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1928)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1929)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1952)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1906)

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.], 1860)

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.], 1864)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1866)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1893)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1898)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1899)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1904)

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.], 1917)

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

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)

Prodromus einer Flora des Kronlandes Salzburg und dessen angränzenden Ländertheilen ... - Hinterhuber, Julius, 1810 -1880 (Druck der Oberer'schen Buchdr, 1851)

Protozoa ... - Bhatia, B. L. (Bihari Lal), 1884 -1941 (Taylor and Francis, 1938)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1986)

Publication. Zoological series - Field Museum of Natural History. (The Museum, 1909)

Publication. Zoological series - Field Museum of Natural History. (The Museum, 1916)

Publication. Field Columbian Museum. Zoological series - Field Museum of Natural History. (The Museum, 1905)

Publications in biological oceanography - National Museum of Natural Sciences (Canada) (The Museum, 1971)

Quality chrysanthemums : 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cascade Gardens, 1955)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1964)

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. (1888)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1906)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1909)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1927)

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

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2004)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2006)

Die Rassen des Pferdes : ihre Entstehung, geschichtliche Entwicklung und charakteristischen Kennzeichen - Wrangel, Carl Gustav (Schickhardt & Ebner (Konrad Wittwer), 1908)

Recentioris aevi numismata virorum de rebus medicis et physicis meritorum memoriam servantia - Rudolphi, Karl Asmund, 1771 -1832 (Ferdinandi Dümmleri sumtibus, 1829)

Recherches sur la circulation des lamellibranches marins - Menegaux, Auguste, 1857 -1937 (Impr. et lithographie de J. Dodivers, 1890)

A record of unfashionable crosses in shorthorn cattle pedigrees - Healy, F. P. (F.P. and O.M. Healy, 1883)

The Record of zoological literature (J. van Voorst, 1864)

The Record of zoological literature (J. van Voorst, 1866)

The Record of zoological literature (J. van Voorst, 1868)

The Record of zoological literature (J. van Voorst, 1869)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2001)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2004)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2017)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2018)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1931)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2017)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2018)

Recreação filosofica, ou, Dialogo sobre a filosofia natural, para instrucção de pessoas curiosas, que não frequentárão as aulas - Almeida, Theodoro de, 1722 -1804 (Na regia officina typografica, 1786)

Recueil des Actes de la Séance Publique de l'Académie Imperiale des Sciences de St.Petersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1828)

Recueil des bulletins - Société des sciences, lettres et arts de Montpellier. (Société des sciences, lettres et arts de Montpellier, 1803)

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, 1836)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1868)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1861)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1869)

Reise in das innere Nord-America in den Jahren 1832 bis 1834 - Wied, Maximilian, Prinz von, 1782 -1867 (Bei J. Hœlscher, 1839)

Reisen in den Vereinigten Staaten, Canada und Mexico - Müller, J. W. von Baron (Johann Wilhelm) 1824 -1866 (F.A. Brockhaus, 1865)

Reisen in der regentschaft Algier in den jahren 1836, 1837 und 1838 - Wagner, Moritz, 1813 -1887 (Leopold Voss, 1841)

Relation d'un voyage du Levant : fait par ordre du Roy : contenant l'histoire ancienne & moderne de plusieurs isles de'l'Archipel, de Constantinople, des Côtes de la Mer Noire, de l'Armenie, de la Georgie, des frontières de Perse & de l'Asie Mineure ... - Tournefort, Joseph Pitton de, 1656 -1708 (Chez Anisson et Posuel, 1717)

Relation d'un voyage du Levant, fait par ordre du roy : contenant l'histoire ancienne & moderne de plusieurs isles de l'archipel, de Constantinople, des côtes de la Mer Noire, de l'Armenie, de la Georgie, des frontieres de Perse & de l'Asie Mineure ... : enrichie de description & de figures d'un grand nombre de plantes rares, de divers animaux, et de plusieurs observations touchant l'histoire naturelle - Tournefort, Joseph Pitton de, 1656 -1708 (Chez Anisson et Posuel, 1717)

Relation historique de la Virginie : contenant l'histoire de son etablissement ... - Beverley, Robert, approximately 1673 -1722 (Chez J.F. Bernard, 1718)

The relation of phototropism to swarming in the honey-bee, Apis mellifera L - Minnich, Dwight Elmer, 1890 - (1920)

Relations de divers voyages curieux : qui n'ont point esté publiées, est qu'on a traduit or tiré des originaux des voyageurs françois, espagnols, allemands, portugais, anglois, hollandois, persans, arabes & autres orientaux. tome premier-second - Moette, Thomas, (Chez Thomas Moette Libraire, ruë de la vieille Bouclerie, à saint Alexis, 1696)

Report - Harvard University. Museum of Comparative Zoology. (1862)

Report - Illinois. State Board of Fish Commissioners. (1900)

Report - Illinois. State Board of Fish Commissioners. (1902)

Report of the ... Australasian Association for the Advancement of Science - Australasian Association for the Advancement of Science. (The Association, 1902)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1833)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1834)