Report on the birds of Pennsylvania; with special reference to the food habits, based on over four thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1890)

Report on the ornithology of portions of Nevada and California - Henshaw, Henry W. (Henry Wetherbee), 1850 -1930 (1877)

Report on the ornithology of the Death Valley Expedition of 1891 - United States. Bureau of Biological Survey. (U.S. G.P.O.?], 1893)

Report on the ornithology of the portions of California visited during the field-season of 1875 - Henshaw, Henry W. (Henry Wetherbee), 1850 -1930 (1876)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1911)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1914)

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 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, 1882)

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, 1888)

Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior - Emory, William H. 1811 -1887 (C. Wendell, printer, 1859)

Report upon ornithological specimens collected in the years 1871, 1872, and 1873 - Geographical Surveys West of the 100th Meridian (U.S.) (Govt. Print. Off, 1874)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1875)

Reports (King's Printer, 1917)

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.], 1857)

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.], 1854)

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 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.], 1860)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1912)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1915)

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

Reprint of Eversmann's Addenda ad celeberrimi pallasii zoographiam rosso-asiaticam - Pallas, Peter Simon, 1741 -1811 (Dresser, 1876)

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)

Rerum medicarum Novae Hispaniae thesaurus, seu, Plantarum animalium mineralium Mexicanorum historia - Colonna, Fabio, 1567 -1650 (Ex typographeio Vitalis Mascardi, 1651)

Resa i Central-Amerika, 1881-1883 - Bovallius, Carl, 1844 -1907 (Carl Suneson, 1886)

Resa uti Europa, Africa, Asia : förrättad åren 1770-1779 - Thunberg, Carl Peter, 1743 -1828 (Tryckt hos directeur. Joh. Edman, 1793)

A revised catalogue of the birds of China and its islands, with descriptions of new species, references to former notes, and occasional remarks - Swinhoe, Robert, 1836 -1877 (1871)

A revised catalogue of the birds of Kansas : with descriptive notes of the nests and eggs of the birds known to breed in the state - Goss, N. S. (Nathaniel S.) (Kansas Publishing House, 1886)

A revised catalogue of the birds of Kansas. With descriptive notes of the nests and eggs of the birds known to breed in the state - Goss, N. S. (Nathaniel S.) (Kansas Publishing House, 1886)

A revised list of Cincinnati birds - Langdon, Frank Warren, 1852 -1933 (Barclay, 1879)

Revised list of the vertebrated animals now or lately living in the gardens of the Zoological society of London. 1872 - Sclater, Philip Lutley, 1829 -1913 (Printed for the Society, 1872)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1905)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1909)

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 do Museu Paulista - Museu Paulista (O Museu, 1938)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1918)

Revue critique de l'Ornithologie Européenne de M. De Selys Longchamps - Bonaparte, Charles-Lucien, 1803 -1857 (1850)

Revue critique des oiseaux d'Europe - Schlegel, H. (Hermann), 1804 -1884 (A. Arnz et comp.; [etc., etc.], 1844)

Revue des sciences naturelles (1873)

Revue des sciences naturelles (1872)

Revue des sciences naturelles (1877)

Revue des sciences naturelles de l'ouest - Institut international de bibliographie scientifique. (Revue des sciences naturelles de l'ouest, 1893)

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

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1856)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1860)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1863)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1868)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1873)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1875)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1911)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1919)

Revue générale des écrits de Linné; ouvrage dans lequel on trouve les anecdotes les plus intéressantes de sa vie privée, un abrégé de ses systêmes et de ses ouvrages, un extrait des ses Aménités académiques ... - Pulteney, Richard, 1730 -1801 (Buisson, 1789)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1863)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1880)