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)

Revised reference list of South African non-marine Mollusca; with descriptions of new species in the South African Museum - Connolly, Matthew William Kemble, 1872 -1947 (Printed for the Trustees of the South African Museum, 1912)

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)

Revision of the American harvest mice : (genus Reithrodontomys) - Howell, Arthur H. (Arthur Holmes), 1872 -1940 (Government Print Office, 1914)

A revision of the fossil genus Diplomystus : with comments on the interrelationships of clupeomorph fishes - Grande, Lance (American Museum of Natural History, 1982)

Revision of the Tachinidae of America north of Mexico. A family of parasitic two-winged insects - Coquillett, D. W. (Daniel William), 1856 -1911 (Govt. print. off, 1910)

Revista do Museu Paulista - Museu Paulista (O Museu, 1926)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1911)

Revue bryologique - Laboratoire de cryptogamie (Muséum national d'histoire naturelle) (Laboratoire de cryptogamie, 1895)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1897)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1899)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1901)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1904)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1913)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1914)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1916)

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Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1929)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1953)

Riassunto generale dei risultati zoologici - Fea, L. (Leonardo), 1852 -1903 (Tipografia R. Istituto Sordo-Muti, 1897)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1915)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1905)

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The sea fishes of Southern Africa. With a message from His Excellency the Governor-General of Moçambique and a foreword by B.F.J. Schonland - Smith, James Leonard Brierly. (Central News Agency, 1949)

Seconde Notice sur le gisement et sur les corps organisés fossiles des calcaires lithographiques, dans le Jura du département de l'Ain - Meyer, Hermann von, 1801 -1869 (impr. Barret, 1851)

Shin Nihon senchu zukai - Matsumura, Shōnen 1872 -1960 (Keiseisha, 1919)

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A sketch of the natural history of the District of Columbia together with an indexed edition of the U.S. Geological survey's 1917 map of Washington and vicinity - McAtee, W. L. (Waldo Lee) 1883 -1962 (H.L. & J.B. McQueen, Inc, 1918)

A sketch of the natural history of the District of Columbia together with an indexed ed. of the U. S. Geological survey's 1917 map of Washington and vicinity - McAtee, W. L. (Waldo Lee) 1883 -1962 ([Press of H. L. & J. B. McQueen, inc.], 1918)

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Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1862)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1878)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1905)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1928)

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Spanische Dipteren - Strobl, Gabriel, 1846 -1925 (s.n, 1906)

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Spolia zeylanica - Colombo Museum (Colombo Museum, 1914)

Sprawozdanie Komisyi Fizyograficznej (1892)

Sprawozdanie Komisyi Fizyograficznej (1908)

Die stämme der wirbeltiere - Abel, Othenio, 1875 -1946 (W. de Gruyter, 1919)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1884)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1886)

Structural and systematic conchology: an introduction to the study of the Mollusca... - Tryon, George W., (George Washington), 1838 -1888 (The author, 1884)

The student's handbook of stratigraphical geology - Jukes-Browne, A. J. (Alfred John), 1851 -1914 (E. Stanford, 1912)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and co, 1898)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1909)

Studi entomologici - Rondani, Camillo, 1807 -1879 (Stamperia degli artisti tipografi, 1848)

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Studien über südostasiatische Dipteren - Meijere, J. C. H. de (Johannes Cornelis Hendrik) 1866 -1947 (s.n, 1909)

A study of some social beetles in British Guiana and of their relations to the ant-plant Tachigalia - Wheeler, William Morton, 1865 -1937 (New York Zoological Society, 1921)

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Sweet's Hortus britannicus; or, A catalogue of plants, indigenous, or cultivated in the gardens of Great Britain;arranged according to their natural orders, with references to the Linnean class and order to which each genus belongs; the whole brought up to the present time, and contains above 34,000 plants ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1830)

Synonymia botanica locupletissima generum, sectionum vel subgenerum ad finem anni 1858 promulgatorum : In forma conspectus systematici totius regni vegetabilis schemati Endlicheriano adaptati - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischer, 1870)

A synopsis of the classification of the British Palæozoic rocks / by the Rev. Adam Sedgwick ; With a systematic description of the British Palæozoic fossils in the Geological museum of the University of Cambridge, by Frederick McCoy - Salter, John William, 1820 -1869 (J.W. Parker and Son; [etc.], 1851)

Synopsis of the families and genera of North American Diptera exclusive of the genera of the Nematocera and Muscidæ, with bibliography and new species, 1878-88 - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (J.T. Hathaway, 1888)

Synopsis of the North American Syrphidae - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (G.P.O, 1886)

Synopsis plantarum :seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1839)

Synopsis plantarum; seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1839)

Synopsis plantarum :seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1840)

Synopsis plantarum :seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1843)

The Syrphid of the Ethiopian region based on material in the collection of the British Museum (Natural history), with descriptions of new genera and species - Bezzi, Mario, 1868 -1927 (Printed by order of the Trustees, 1915)