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 South London Entomological Society - South London Entomological Society. (1879)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1907)

[Report of a voyage made to the Canadian Labrador coast ; Catalogue of plants and birds of the north shore] - Saint-Cyr, D. N. (Dominique Napoléon), 1826 -1899 (s.n, 1887)

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 geology, mineralogy, botany, and zoology of Massachusetts - Massachusetts. Geological Survey. (J.S. and C. Adams, 1835)

Report on the geology, mineralogy, botany, and zoology of Massachusetts - Massachusetts. Geological Survey. (Press of J.S. and C. Adams, 1833)

Report on the geology, mineralogy, botany, and zoology of Massachusetts : made and published by order of the government of that state : in four parts: Part I. Economical geology. Part II. T opographical geology. Part III. Scientific geology. Part IV. Catalogues of animals and plants : with a descriptive list of the specimens of rocks and minerals collected for the government : illustrated by numerous wood cuts and an atlas of plates - Massachusetts. Geological Survey. (Press of J.S. and C. Adams, 1833)

Report on the proceedings of the United States expedition to Lady Franklin Bay, Grinnell Land - Greely, A. W. (Adolphus Washington), 1844 -1935 (G.P.O, 1888)

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 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)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1878)

Reports (King's Printer, 1917)

Reports and extracts from the club note books for the years ... - Moss Exchange Club, (Moss Exchange Club, 1896)

Reports and extracts from the club note books for the years ... - Moss Exchange Club, (Moss Exchange Club, 1901)

Reports and transactions - Cardiff Naturalists' Society.

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, 1855)

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.], 1856)

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 of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1903)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1901)

Reports of the Princeton University expeditions to Patagonia, 1896-1899 Volume VIII - Hatcher, J. B. (John Bell), 1861 -1904 (The University, 1903)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

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

En resa til Norra America - Kalm, Pehr, 1716 -1779 (Tryckt på L. Salvii kostnad, 1753)

Western Australian Herbarium Research Notes - Western Australia. Department of Biodiversity, Conservation; Attractions (Western Australian Herbarium, 1979)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

Résultats du voyage du S.Y. Belgica en 1897-1898-1899 : sous le commandement de A. de Gerlache de Gomery. Rapports scientifiques publiés aux frais du gouvernement belge, sous la direction de la Commission de la Belgica - Belgica (Ship) (Impr. J.E. Buschmann, 1901)

Revised checklist of the mosses of New York State - Ketchledge, Edwin H. (University of the State of New York, State Education Dept, 1980)

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.], 1898)

A revision of the Encalyptaceae (musci) with particular reference to the North American taxa - Horton, Diana G. (University of Alberta, Dept. of Botany, 1981)

Revision of the North American species of Xanthium - Millspaugh, Charles Frederick, 1854 -1923 (1919)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1915)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1916)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1921)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1923)

Revista de la Facultad de Agronomía y Veterinaria, La Plata (La Facultad, 1897)

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)

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, 1867)

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, 1869)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1924)