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, 1904)

Reptiles and birds. A popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (W.J. Holland, 1869)

Reptiles and birds : a popular account of their various orders : with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (D. Appleton, 1870)

Reptiles and birds : a popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (W.J. Holland, 1869)

Reptiles and birds. A popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (W. J. Holland & co. [pref, 1869)

Reptiles and birds : a popular account of their various orders, with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (Cassell, Petter, Galpin)

Reptiles and birds, a popular account of their various orders : with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (D. Appleton, 1870)

Researches about atmospheric phenomena - Forster, T. (Thomas), 1789 -1860 (Printed for Harding, Mavor, and Lepard, 1823)

Researches in zoology, illustrative of the structure, habits, and economy of animals - Blackwall, John, 1790 -1881 (John Van Voorst, 1873)

The resources of California: comprising agriculture, mining, geography, climate, &c., and the past and future development of the state - Hittell, John Shertzer, 1825 -1901 (A. Roman and company, 1869)

Retail price list of choice northern grown gladiolus bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Dirigo Gladiolus Gardens, 1929)

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

The Review of reviews - Fitchett, W. H. 1845 -1928 (Review of Reviews, 1906)

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

A review of the problem of lead poisoning in waterfowl - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1986)

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)

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 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 de la Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid, 1904)

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, 1900)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1919)

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 appliquées - Société nationale d'acclimatation de France (La Société, 1889)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1891)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1892)

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

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

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, 1915)

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)

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

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1894)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1903)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1912)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1942)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 2020)

Revue zoologique - Société Cuvierienne. (Société cuvierienne, 1839)

Revue zoologique - Société Cuvierienne. (Société cuvierienne, 1840)

Revue zoologique - Société Cuvierienne. (Société cuvierienne, 1841)

The river-side naturalist; notes on the various forms of life met with either in, on, or by the water, or in its immediate vicinity. Illus. with numerous woodcuts - Hamilton, Edward, 1815 -1903 (Low, Marston, Searle, & Rivington, 1890)

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

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1911)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1912)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1913)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1920)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1892)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1888)