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The Quarterly journal of the Geological Society of London - Geological Society of America. (1897)

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

Re-description and revision of Smitt's "Floridan Bryozoa" in the collection of the Museum of Comparative Zoology, Harvard University - Smithsonian Institution (Virginia Museum of Natural History, in association with Smithsonian Institution, 2005)

The reason why. Natural history - Philp, Robert Kemp, 1819 -1882 (Houlston and Wright, 1860)

The reason why, natural history giving reasons for hundreds of interesting facts in connection with zoology : and throwing light upon the peculiar habits and instincts of the various orders of the animal kingdom - Making of America Project. (Dick & Fitzgerald, 1870)

Recent advances in invertebrate physiology; a symposium sponsored by the National Science Foundation, the Tektronix Foundation [and] the University of Oregon - Scheer, Bradley T. (Bradley Titus), 1914 - (University of Oregon Publications, 1957)

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Record of the Geological Survey of Victoria - Geological Survey of Victoria. (1920)

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

The Record of zoological literature (J. van Voorst, 1865)

The Record of zoological literature (J. van Voorst, 1867)

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 Canterbury Museum - Canterbury Museum (Christchurch, N.Z.) (Canterbury Museum Trust Board, 1907)

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Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1974)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1991)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1918)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1995)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 1986)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2001)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2008)

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, 1864)

Reise in Ostafrika in den Jahren 1903-1905 : mit Mitteln der Hermann und Elise geb. Heckmann Wentzel-Stiftung : Wissenschaftliche Ergebnisse - Voeltzkow, Alfred, 1860 -1946 (E. Schweizerbartsche Verlagsbuchhandlung, 1915)

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Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1880)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1882)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1883)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1884)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1885)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1886)

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Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1891)

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Report of the second Norwegian Arctic Expedition in the "Fram", 1898-1902. Published by Videnskabs-selskabet i Kristiania, at the expense of the Fridjof Nansen Fund for the Advancement of Science - Norske videnskaps-akademi i Oslo. (T.O. Brøgger, 1907)

Report of the Second Norwegian Arctic expedition in the "Fram" 1898-1902 ... - Norske videnskaps-akademi i Oslo. (In commission by T. O. Brøgger, 1907)

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Report on the condition of the sea fisheries of the south coast of New England ... - Baird, Spencer Fullerton, 1823 -1887 (Govt. Print. Off, 1873)

Report on the condition of the sea fisheries of the south coast of New England ... - Baird, Spencer Fullerton, 1823 -1887 (Govt. Print. Off, 1871)

A Report on the Cretaceous paleontology of New Jersey - New Jersey Geological Survey. (1886)

Report on the Lancashire sea-fisheries laboratory at the University of Liverpool, and the Sea-fish hatchery at Piel ... - Johnstone, James, 1870 -1932 (1896)

Report on the Nemertea collected by H. M. S. Challenger during the years 1873-76 - Hubrecht, A. A. W. (Ambrosius Arnold Willem), 1853 -1915 (1887)