The Quarterly journal of science (J. Churchill and Sons, etc, 1865)

Reindeer in Alaska - Hadwen, Seymour, 1877 -1947 (U.S. Dept. of Agriculture, 1922)

Reise durch das Altai-Gibirge und die soongorische Kirgisen=Steppe : Auf Kosten der Kaiserlichen Universität Dorpat unternommen im jahre 1826 in Begleitung der Herren D. Carl Anton Meyer und D. Alexander von Bunge - Ledebour, Carl Friedrich von, 1785 -1851 (G. Reimer, 1829)

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, 1856)

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, 1867)

Reisen nach dem Nordpolarmeer in den Jahren 1870 und 1871 - Heuglin, Theodor von, 1824 -1876 (G. Westermann, 1874)

Reliquiae Formánekianae : enumeratio critica plantarum vascularium, quas itineribus in Haemo Peninsula et Asia Minore (Bithynia) factis collegit Dr. Ed. Formánek - Vandas, Karel, 1861 -1923 (Comitiorum Marchionatus Moraviae, 1909)

Reliquiae mrkvičkanae - Velenovský, J. (Josef), 1858 -1949 (In Commissione Bibliopolae Fr. Řivnáč, 1922)

Remarks on the geographical distribution of British plants : chiefly in connection with latitude, elevation, and climate - Watson, Hewett Cottrell, 1804 -1881 (Printed for Longman, Rees, Orme, Brown, Green, and Longman, 1835)

Repertorium florae Ligusticae - De Notaris, Giuseppe, 1805 -1877 (Ex Regio Typographeo, 1844)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1910)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1911)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1905)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1917)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1944)

Report & transactions - Birmingham Natural History; Microscopical Society (Birmingham, England) (Herald Press)

Report and Transactions of the Glasgow Society of Field Naturalists - Glasgow Society of Field Naturalists. (Glasgow Society of Field Naturalists, 1873)

Report / Botanical Exchange Club and Society of the British Isles - Botanical Exchange Club; Society of the British Isles. (1901)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1883)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1886)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1887)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1888)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1920)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1923)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1926)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1928)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1929)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1933)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1837)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1860)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1869)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1908)

Report of the Brown-Harvard Expedition to Nachvak, Labrador, 1900 - Delabarre, Edmund Burke, 1863 - (Preston & Rounds Co, 1902)

Report of the Brown-Harvard expedition to Nachvak, Labrador, 1900 - Delabarre, Edmund Burke, 1863 - (Preston & Rounds co, 1902)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1919)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1913)

Report of the Folkestone Natural History Society - Folkestone Natural History Society. (1871)

Report of the Hudson's Bay expedition of 1886 under the command of Lieut. A.R. Gordon, R.N - Gordon, Andrew R. (Andrew Robertson), 1851 -1893 (s.n, 1887)

Report of the scientific results of the voyage of S.Y. "Scotia" during the years 1902, 1903, and 1904, under the leadership of William S. Bruce - Bruce, William S. 1867 -1921 (The Scottish oceanographical laboratory, 1907)

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)

Report of the Second Norwegian Arctic expedition in the "Fram" 1898-1902 ... - Norske videnskaps-akademi i Oslo. (In commission by 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, 1911)

Report of the Second Norwegian Arctic expedition in the "Fram" 1898-1902 ... - Norske videnskaps-akademi i Oslo. (In commission by T. O. Brøgger, 1911)

Report of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1885)

Report on an exploration in the Yukon district, N.W.T., and adjacent northern portion of British Columbia, 1887 - Geological; Natural History Survey of Canada. (Dawson, 1888)

Report on the Dominion Government expedition to Hudson Bay and the Arctic islands on board the D.G.S. Neptune, 1903-1904 - Canada. Department of Marine; Fisheries. (Govt. Print. Bureau, 1906)

Report on the scientific results of the voyage of S.Y. "Scotia" during the years 1902, 1903 and 1904, under the leadership of William S. Bruce - Bruce, William S. 1867 -1921 (Scottish Oceanographical Laboratory, 1912)

A report upon the boreal flora of the Sierra Nevada of California - Smiley, Frank Jason, 1880 - (University of California Press, 1921)

Reports (King's Printer, 1917)

Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier, prince souverain de Monaco ... - Albert I, Prince of Monaco, 1848 -1922 (Impr. de Monaco, 1913)

Results of a biological survey of the San Francisco Mountain region and desert of the Little Colorado, Arizona - Stejneger, Leonhard, 1851 -1943 (Govt. Print. Off, 1890)

Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1864)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1888)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1891)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1888)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1889)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1890)

Revue générale de botanique (Libraire générale de l'enseignement, 1894)

Revue générale de botanique (Libraire générale de l'enseignement, 1920)

Revue horticole (Librairie agricole de la maison rustique, 1886)

Revue horticole (Librairie agricole de la maison rustique, 1911)

Revue mycologique (Bureaux de la rédaction, 1886)

Revue mycologique (Bureaux de la rédaction, 1889)

Revue mycologique (Bureaux de la rédaction, 1892)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1888)

La Revue scientifique du Limousin - Le Gendre, Charles. (Impr.-Librairie Ve. H. Ducourtieux, 1920)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1905)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1911)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1912)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1923)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1926)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1933)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1934)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1936)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1951)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1952)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1976)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1979)