A report on the trees and shrubs growing naturally in the forests of Massachusetts : Published agreeably to an order of the Legislature, by the Commissioners on the zoological and botanical survey of the state - Emerson, George B. (George Barrell), 1797 -1881 (Dutton and Wentworth, Printers, 1846)

A report on the trees and shrubs growing naturally in the forests of Massachusetts - Emerson, George B. (George Barrell), 1797 -1881 (Little, Brown, and Company, 1903)

A report on the trees and shrubs growing naturally in the forests of Massachusetts. Originally published agreeably to an order of the Legislature, by the Commissioners on the Zoological and Botanical Survey of the State - Emerson, George B. (George Barrell), 1797 -1881 (Brown, 1894)

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 cotton insects, prepared under the direction of the commissioner of agriculture in pursuance of an act of Congress approved June 19, 1878 - Comstock, John Henry, 1849 -1931 (Gov't. print. off, 1879)

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 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, 1927)

Reports on the noxious, beneficial and other insects, of the state of New York. Made to the State agricultural society, pursuant to an annual appropriation for this purpose from the legislature of the state - Comstock, Anna Botsford, 1854 -1930 (C. Van Benthuysen, printer [etc.], 1856)

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)

Review of American birds, in the Museum of the Smithsonian Institution. Part 1, North and Middle America - Baird, Spencer Fullerton, 1823 -1887 (Smithsonian Institution, 1864)

Review of American birds, in the Museum of the Smithsonian Institution. Part 1, North and Middle America - Baird, Spencer Fullerton, 1823 -1887 (Smithsonian Institution, 1866)

Review of American birds in the Museum of the Smithsonian Institution. Part 1 - Baird, Spencer Fullerton, 1823 -1887 (Smithsonian Institution, 1872)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1914)

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)

Revised catalogue of the diurnal Lepidoptera of America north of Mexico - Edwards, William H. (William Henry), 1822 -1909 ([American Entomological Society?], 1884)

Revised list of birds of Central New York - Rathbun, Frank R., (Harvard local name) (Daily Advertiser and Weekly Journal Book and Job Printing House, 1879)

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

Revision, phylogeny, and discussion of biology and biogeography of the fish genus Plesiops (Perciformes: Plesiopidae) - Royal Ontario Museum. (Royal Ontario Museum, 1995)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1898)

Revista do Museu Paulista - Museu Paulista (O Museu, 1929)

Revista do Museu Paulista - Museu Paulista (O Museu, 1936)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1914)

Revue d'histoire naturelle appliquée. Deuxième partie. l'Oiseau - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1922)

Revue encyclopédique (1827)

Revue encyclopédique (1832)

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, 1909)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1898)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1905)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1954)

Rhopalocera Europæ, descripta et delineata = The butterflies of Europe, described and figured - Lang, Henry C. (L. Reeve, 1884)

The Riverside natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (Houghton, Mifflin and company, 1888)

Rivista Periodica dei Lavori della I.R. Accademia di Scienze, Lettere ed Arti di Padova - Accademia di scienze, lettere ed arti di Padova. (1852)

The Rod and the gun (The Rod and Gun, 1875)

The romance of bird life : being an account of the education, courtship, sport and play, journeys, fishing, fighting, piracy, domestic and social habits, instinct, strange friendships and other interesting aspects of the life of birds - Lea, John. (Seeley & Co, 1909)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1935)

The rough-winged swallow, Stelgidopteryx ruficollis (Vieillot); a study based on its breeding biology in Michigan - Lunk, William A (Nuttall Ornithological Club, 1962)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1894)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1895)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1894)

Saggio di una distribuzione metodica degli animali vertebrati - Bonaparte, Charles-Lucien, 1803 -1857 (1831)

Schweizerische Blätter für Ornithologie : Geflügel-Tauben- und Kaninchenzucht - Schweizerischer Geflügelzucht-Verein. (Schweizerischer Geflügelzucht-Verein, 1910)

Schweizerische Blätter für Ornithologie : Geflügel-Tauben- und Kaninchenzucht - Schweizerischer Geflügelzucht-Verein. (Schweizerischer Geflügelzucht-Verein, 1911)

Science - American Association for the Advancement of Science. ([s.n.], 1880)

Science bulletin - Brooklyn Museum. (Published by the MacMillan Co. for the Institute, 1913)