Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1937)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1938)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1940)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1942)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1947)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1944)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1948)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1950)

The published writings of George Newbold Lawrence, 1844-1891 - Foster, Lyman Spalding. (Govt. Print. Off, 1892)

Quarterly Journal of Science, Literature and the Arts - Royal Institution of Great Britain. (1820)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1869)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1877)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1879)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1912)

Rambles of a naturalist on the shores and waters of the China Sea : being observations in natural history during a voyage to China, Formosa, Borneo, Singapore, etc., made in Her Majesty's vessels in 1866 and 1867 - Collingwood, Cuthbert, 1826 -1908 (J. Murray, 1868)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2006)

Rare and Threatened Plants of Cuba: ex-situ conservation in Botanic gardens (1989)

Die Rassen des Pferdes : ihre Entstehung, geschichtliche Entwicklung und charakteristischen Kennzeichen - Wrangel, Carl Gustav (Schickhardt & Ebner (Konrad Wittwer), 1908)

Répertoire des plantes utiles et des plantes vénéneuses du globe contenant la synonymie latine et française des plantes, leurs noms vulgaires français et l'indication de leurs usages ... précédé d'un traité indispensable aux personnes qui veulent herboriser, et composer des herbiers - Duchesne, E. A. (Edouard Adolphe), 1804 -1869 (J. Renouard, 1836)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 2003)

Registro trimestre, ó, Colección de historia, literatura, ciencias y artes - Sociedad de literatos. (Oficina del Aguila, 1832)

Reise in Brasilien : auf Befehl Sr. Majestät Maximilian Joseph I., Königs von Baiern, in den Jahren 1817 bis 1820 gemacht und beschrieben - Spix, Johann Baptist von, 1781 -1826 (M. Lindauer, 1823)

Reise in die aequinoctial-gegenden des neuen Continents in den Jahren 1799, 1800, 1801, 1803 und 1804 - Humboldt, Alexander von, 1769 -1859 (J.G. Cotta, 1815)

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)

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)

Remberti Dodonaei ... Stirpium historiae pemptades sex, sive libri XXX. Varie ab auctore, paullo ante mortem, aucti & emendati - Dodoens, Rembert, 1517 -1585 (Ex officina Plantiniana, 1616)

Remberti Dodonaei ... Stirpium historiae pemptades sex, sive libri XXX - Dodoens, Rembert, 1517 -1585 (Ex officina Christophori Plantini, 1583)

Repertorio fisico-natural de la isla de Cuba - Poey, Felipe, 1799 -1891 (Impr. del gobierno y capitanía general por S.M. [etc, 1865)

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1923)

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

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1920)

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

Report ... Annual meeting and membership - American Malacological Union - American Malacological Union. (1931)

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, 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 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, 1947)

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, 1961)

Report of the State Entomologist on the noxious and beneficial insects of the state of Illinois - Illinois State Entomologist. (State Entomologist, 1882)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1939)

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 upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1889)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1909)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1905)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1910)

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

Reports on the progress of zoology and botany, 1841, 1842 - Link, Heinrich Friedrich, 1767 -1851 (Printed for the Ray Society, 1845)

Western Australian Herbarium Research Notes - Western Australia. Department of Biodiversity, Conservation; Attractions (Western Australian Herbarium, 1982)

Researches in natural history - Murray, John, 1786? -1851 (Whittaker, Treacher and Arnot, 1830)

Researches into the physical history of mankind - Prichard, James Cowles. (Sherwood, Gilbert & Piper, 1836)

Review of Myotis (Chiroptera, Vespertilionidae) from northern South America, including description of a new species - Moratelli, Ricardo (American Museum of Natural History, 2013)

A revised catalogue of the indigenous flowering plants and ferns of Ceylon - Willis, J. C. (John Christopher), 1868 -1958 (H.C. Cottle, Govt. Printer, 1911)

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)

Revisión de las especies de Paspalum para América del Sur austral : (Argentina, Bolivia, sur del Brasil, Chile, Paraguay y Uruguay) - Missouri Botanical Garden. (Missouri Botanical Garden, 2005)