Relacion historica del viage a la America Meridional : hecho de orden de S. Mag. para medir algunos grados de meridiano terrestre, y venir por ellos en conocimiento de la verdadera figura, y magnitud de la tierra, con otras varias observaciones astronomicas, y phisicas - Ulloa, Antonio de, 1716 -1795 (Por Antonio Marin, 1748)

Relacion historica del viage a la America Meridional hecho de orden de S. Mag. para medir algunos grados de meridiano terrestre, y venir por ellos en conocimiento de la verdadera figura, y magnitud de la tierra, con otras varias observaciones astronomicas, y phisicas - Ulloa, Antonio de, 1716 -1795 (A. Marin, 1748)

Relation historique du voyage aux régions équinoxiales du nouveau continent - Humboldt, Alexander von, 1769 -1859 (F. A. Brockhaus, 1900)

Repertorio fisico-natural de la isla de Cuba - Poey, Felipe, 1799 -1891 (Impr. del gobierno y capitanía general por S.M. [etc, 1866)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1845)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1846)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1906)

Repertorium specierum novarum regni vegetabilis Beihefte (Verlag des Repertoriums, 1922)

Repertorium specierum novarum regni vegetabilis Beihefte (Verlag des Repertoriums, 1919)

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

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1912)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1922)

Report - Chicago Natural History Museum. (1915)

Report of the Board of Commissioners of Agriculture and Forestry of the Territory of Hawaii for the period ... - Hawaii. Board of Commissioners of Agriculture; Forestry. (1906)

Report of the Board of Commissioners of Agriculture and Forestry of the Territory of Hawaii for the period ... - Hawaii. Board of Commissioners of Agriculture; Forestry. (1908)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1868)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1856)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1857)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1862)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1879)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1893)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1913)

Report of the Bureau of Fisheries - United States. Bureau of Fisheries. (G.P.O, 1905)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1902)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1901)

Report of the Commissioner of Agriculture and Forestry for the year ending ... - Hawaii. (Hawaiian Gazette Co, 1902)

Report of the Division of Entomology for the biennial period ending December 31, 1914 - Ehrhorn, Edward Macfarlane, 1862 - (1915)

Report of the Division of Forestry for the year ending ... - Hawaii. Division of Forestry. (New Freedom Press, 1911)

Report of the geological survey of North Carolina. : Volume I. Physical geography, resumé, economical geology - Conrad, T. A. (Timothy Abbott), 1803 -1877 (Josiah Turner, state printer and binder, 1875)

Report on agricultural investigations in Hawaii, 1905 - United States. Office of Experiment Stations. (U.S. G.P.O, 1906)

Report on the agricultural resources and capabilities of Hawaii - Stubbs, William Carter, 1846 -1924 (Govt. Print. off, 1901)

Report on the fresh water fish and fisheries of India and Burma - Day, Francis, 1829 -1889 (Government Press, 1873)

Report on the present state of our knowledge with regard to the Mollusca of the west coast of North America - Carpenter, Philip P. (Philip Pearsall), 1819 -1877 (Taylor and Francis, 1857)