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)

Reise nach den Inseln Teneriffa, Trinidad, St. Thomas, St. Crux und Porto-Rico; auf Befehl der franzo¨sischen Regierung, vom 30. Sept. 1796 bis zum 7. Juni 1789, unter der Leitung des Capitain Baudin unternommen - Sonnini, C. S. (Charles Sigisbert), 1751 -1812 (H. Büschler, 1811)

Reise nach Kolchis und nach den Deutschen Colonien jenseits des Kaukasus : mit Beiträgen zur Völkerkunde und Naturgeschichte Transkaukasiens - Wagner, Moritz, 1813 -1887 (1850)

Reise nach Ostindien und China - Ekeberg, Carl Gustav, 1716 -1784 (verlegts Johann Christian Koppe, 1765)

Reise von Orenburg nach Buchara : nebst einem Wortverzeichniss der Afgahnischen Sprache ; mit 2 Kupfern und dem Plane von Buchara - Eversmann, Eduard Friedrich, 1794 -1860 (Christiani, 1823)

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)

Reisen in Europa, Asien, und Afrika : mit besonderer Rücksicht auf die naturwissenschaftlichen Verhältnisse der betreffenden Länder ; unternommen in den Jahren 1835 bis 1841 - Russegger, Joseph. (E. Schweizerbart'sche Verlagshandlung, 1841)

Reliquiæ Baldwinianæ: selections from the correspondence of the late William Baldwin ... with occasional notes, and a short biographical memoir - Muhlenberg, Henry, 1753 -1815 (Kimber and Sharpless, 1843)

Rendiconti - Reale Accademia dei Lincei (l'Accademia, 1887)

Rendiconti - Reale Accademia dei Lincei (l'Accademia, 1889)

Repertorio bibliografico delle pubblicazioni della R. Accademia del scienze di Torino - Accademia delle scienze di Torino (G.B. Paravia, 1883)

Repertorium commentationum a societatibus litterariis editarum - Reuss, Jeremias David, 1750 -1837 (apud Henricum Dieterich, 1801)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1905)

Report of the ... Australasian Association for the Advancement of Science - Australasian Association for the Advancement of Science. (The Association, 1891)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1841)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1831)

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. (1886)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1904)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1938)

Report of the Canterbury Philosophical and Literary Institution - Canterbury Philosophical; Literary Institution. (1827)

Report of the (Free) Public Library, Museum (Liverpool) - Liverpool (England). Free Public Library. Museum (1897)

Report of the (Free) Public Library, Museum (Liverpool) - Liverpool (England). Free Public Library. Museum (1905)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1931)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1963)

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, 1880)

Report on the work of the Horn Scientific Expedition to Central Australia - Horn, William Austin, 1841 -1922 (Dulau, 1896)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1859)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1858)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

Reports on zoology for 1843, 1844 - Ray Society. (Printed for the Ray society, 1847)

A reprint of the North American zoology, by George Ord. Being an exact reproduction of the part originally compiled by Mr. Ord for Johnson & Warner, and first published by them in their 2d American ed. of Guthrie's geography, in 1815. Taken - Ord, George, 1781 -1866 (Pub. by the editor, 1894)

Reptile Life - Johnson, Stanley C. (Stanley Currie). 1878 - (1907)

Reptiles, amphibia, fishes and lower chordata - Boulenger, George Albert 1858 -1937 (Methuen, 1912)

Reptiles and batrachians - Boulenger, E. G. (Edward George), 1888 -1946 (J. M. Dent & sons, ltd, 1914)

Reptiles and birds. A popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (D. Appleton and Co, 1873)

Reptiles and birds. A popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (W.J. Holland, 1869)

Reptiles and birds : a popular account of their various orders : with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (D. Appleton, 1870)

Reptiles and birds : a popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (W.J. Holland, 1869)

Reptiles and birds. A popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (W. J. Holland & co. [pref, 1869)

Reptiles and birds : a popular account of their various orders, with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (Cassell, Petter, Galpin)

Reptiles and birds, a popular account of their various orders : with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (D. Appleton, 1870)

Reptiles and birds : a popular account of their various orders, with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (Cassell & Co, 1883)

The reptiles of British India - Günther, Albert C. L. G. (Albert Carl Ludwig Gotthilf), 1830 -1914 (Pub. for the Ray society by R. Hardwicke, 1864)

The reptiles of China : turtles, crocodilians, snakes, lizards - Pope, Clifford H. (Clifford Hillhouse), 1899 -1974 (American Museum of Natural History, 1935)

The reptiles of the Indo-Australian archipelago - Rooij, Nelly de (E.J. Brill, 1915)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Sturgis and Walton, 1910)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan, 1910)

Reptiles of the world : tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan Co, 1922)

Reptilia and Batrachia - Boulenger, George Albert 1858 -1937 (Taylor and Francis, 1890)

Reptilia Musei zoologici Vratislaviensis / recensita et descripta auctore J.L.C. Gravenhorst ... Musei zoologici directore ... fasciculus primus continens Chelonios et Batrachia - Gravenhorst, J. L. C. (Johann Ludwig Christian), 1777 -1857 (Sumptibus L. Vossii, 1829)

Reptilien und Amphibien - Werner, Franz, 1867 -1939 (G.J. Göschen'sche Verlagshandlung, 1908)

Die Reptilien und Amphibien Deutschlands in Wort und Bild : eine systematische und biologische Bearbeitung der bisher in Deutschland aufgefundenen Kriechtiere und Lurche - Lachmann, Hermann (Paul H©ttig, 1890)