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The Pterobranchia of the Siboga-expedition with an account of other species - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Late E. J. Brill, 1905)

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Rad - Jugoslavenska akademija znanosti i umjetnosti. Razred za prirodne nauke. (Jugoslavenska akademija znanosti i umjetnosti, 1873)

Rambles on the Riviera - Strasburger, Eduard, 1844 -1912 (C. Scribner's Sons, 1906)

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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, 2002)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2003)

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, 2005)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2006)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2015)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2016)

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

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2020)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1992)

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Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2014)

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Reise der o¨sterreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wu¨llerstorf-Urbair. Erster Band: Sporenpflanzen, Botanischer Theil (Kaiserlich-Kniglichen Hof- und Staatsdruckerei, in Commission bei K. Gerold, 1870)

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, 1870)

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, 1923)

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, 1917)

Reisen in Ost Afrika in 1859-61. Band III : Abteilung 3 Botanik - Decken, Karl Klaus von der, freiherr, 1833 -1865 ([s.n.], 1879)

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Report of the Committee on Oceanography of the National Academy of Sciences - Lillie, Frank Rattray, 1870 -1947 (The Academy, 1930)

Report on the collections of natural history made in the Antarctic regions during the voyage of the "Southern Cross." - British Museum (Natural History) (Printed by order of the Trustees, 1902)

Report on the deep-sea Madreporaria of the Siboga-expedition - Alcock, A. (Alfred), 1859 -1933 (E. J. Brill, 1902)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1885)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1891)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1895)

Report on the vegetation of the Andaman Islands. Accompanied by a report on the forests and a map - Kurz, Wilhelm Sulpiz, 1834 -1878 (Office of Superintendent of Government Printing, 1870)

Report to the government of Ceylon on the pearl oyster fisheries of the gulf of Manaar - Royal Society (Great Britain) (1903)

Report to the government of Ceylon on the pearl oyster fisheries of the gulf of Manaar - Royal Society (Great Britain) (1904)

Report to the government of Ceylon on the pearl oyster fisheries of the gulf of Manaar - Herdman, W. A. Sir, (William Abbott), 1858 -1924 (1903)

Report to the government of Ceylon on the pearl oyster fisheries of the gulf of Manaar - Royal Society (Great Britain) (1906)

Reports of the Great Barrier Reef Committee - Great Barrier Reef Committee (Govt. Printer, 1931)

Reports of the Great Barrier Reef Committee - Great Barrier Reef Committee (Govt. Printer, 1938)

Reports of the Great Barrier Reef Committee - Great Barrier Reef Committee (Govt. Printer, 1942)

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Reproduction des cryptogames - Rietsch, Maximilien. (G. Baillière, 1882)

Research and discoveries : the revolution of science through scuba - Lang, Michael A. (Smithsonian Institution Scholarly Press, 2013)

Results of the first Joint US-USSR Central Pacific Expedition (BERPAC) : Autumn 1988 - U.S. Fish; Wildlife Service (U.S. Fish and Wildlife Service, 1992)

Return / British Museum - British Museum (Natural History) (British Museum, 1901)

Return / British Museum - British Museum (Natural History) (British Museum, 1906)

Revisio generum plantarum vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum, mit erläuterungen - Kuntze, Otto, 1843 -1907 (A. Felix [etc., etc.], 1891)

Revisio generum plantarum:vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1891)

Revisio generum plantarum:vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1893)

Revisio generum plantarum:vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1898)