Results of a biological survey of Mount Shasta, California - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt Print. Off, 1899)

Return / British Museum - British Museum (Natural History) (British Museum, 1856)

Returns from banded birds, 1920 to 1923 - United States. Department of Agriculture. (U.S. Dept. of Agriculture, 1924)

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)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1918)

A review of the birds of Connecticut - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Tuttle, Morehouse & Taylor, Printers, 1877)

A review of the primates - Elliot, Daniel Giraud, 1835 -1915 (American Museum of Natural History, 1912)

A review of the primates - Elliot, Daniel Giraud, 1835 -1915 (American Museum of Natural History, 1913)

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)

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)

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)

Revised range management program for the Challis grazing unit - United States. Bureau of Land Management. (Dept. of the Interior, Bureau of Land Management, Idaho State Office, 1978)

A revision of the adult tapeworms of hares and rabbits - Stiles, Charles Wardell, 1867 -1941 (1897)

A revision of the bembicine wasps of America north of Mexico - Parker, John Bernard (Govt. Print. Off, 1917)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1904)

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

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, 1861)

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 (Museu Paulista, 1898)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1900)

Revista do Museu Paulista - Museu Paulista (O Museu, 1935)

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

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

Revue critique des hyménoptères fouisseurs de Belgique - Wesmael, Constantin. (1852)

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

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1893)

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

Revue d'histoire naturelle appliquée. Deuxième partie. l'Oiseau - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1923)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1881)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1882)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1886)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1887)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1890)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1893)