Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1847)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1855)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1891)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1901)

The Prosobranchia of the Siboga Expedition - Schepman, M. M. (Mattheus Marinus), 1847 -1919 (E. J. Brill, 1913)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C. C. Thomas, 1954)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C.C. Thomas, 1946)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (Thomas, 1939)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1853)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1856)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1862)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1868)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1872)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1877)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1884)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1910)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1912)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1913)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1914)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1919)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1869)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1910)

The rambles of a naturalist on the coasts of France, Spain, and Sicily - Otté, E. C. (Longman, Brown, Green, Longmans, & Roberts, 1857)

The Record of zoological literature (J. van Voorst, 1868)

The Record of zoological literature (J. van Voorst, 1869)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1964)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1971)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1905)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1912)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1910)

Die Regulierung des Geschlechtsverhaltnisses : bei der Vermehrung der Menschen, Tiere und Pflanzen - Düsing, Karl, 1859 - (Verlag von Gustav Fischer, 1884)

Report ... Annual meeting and membership - American Malacological Union - American Malacological Union. (1931)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1848)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1867)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1870)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1898)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1909)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1913)

Report on the collections of natural history made in the Antarctic regions during the voyage of the "Southern Cross." - British Museum (Natural History) (Printed by order of the Trustees, 1902)

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)

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

Reproduction - Galloway, Thomas Walton, 1866 -1929 (J. G. Coulter, 1916)

Reproduction - Galloway, Thomas Walton, 1866 -1929 (John G. Coulter, 1916)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1908)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2000)

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)

Revue biologique du nord de la France (Le Bigot, 1888)

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

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1906)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1918)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1892)

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

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1898)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1966)

The Rotifera; or wheel-animalcules, both British and foreign - Gosse, Philip Henry, 1810 -1888 (Longmans, Green, and co, 1889)

The Rotifera : or wheel-animalcules, both British and foreign - Gosse, Philip Henry, 1810 -1888 (Longmans, Green, 1889)

The rotifera; or, Wheel-animalcules, both British and foreign - Hudson, C. T. (Charles Thomas), 1828 -1903 (Longman, 1889)

The Rotifera : or wheel-animalcules, both British and foreign - Gosse, Philip Henry, 1810 -1888 (Longmans, Green, 1886)

The rotifera; or, Wheel-animalcules, both British and foreign - Gosse, Philip Henry, 1810 -1888 (Longmans, Green, 1889)

The Rotifera : or, Wheel-animalcules - Gosse, Philip Henry, 1810 -1888 (Longmans, Green, 1889)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1904)

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

Rumphius gedenkboek 1702-1902 - Rumpf, Georg Eberhard, 1627 -1702 (Koloniaal Museum, 1902)

Sale catalogues by Sowerby and Fulton - Sowerby, G. B. (George Brettingham), 1812 -1884 (Dryden Press, 1902)

SCAMIT newsletter - Southern California Association of Marine Invertebrate Taxonomists. (SCAMIT, 1996)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1915)

Science - American Association for the Advancement of Science. ([s.n.], 1907)

Science - American Association for the Advancement of Science. ([s.n.], 1909)

Science - American Association for the Advancement of Science. ([s.n.], 1910)

Science - American Association for the Advancement of Science. ([s.n.], 1913)

Science - American Association for the Advancement of Science. ([s.n.], 1914)

Science - American Association for the Advancement of Science. ([s.n.], 1916)

Science - American Association for the Advancement of Science. ([s.n.], 1917)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1900)

Science progress (John Murray, 1916)

Science progress (John Murray, 1918)

Science progress in the twentieth century : a quarterly journal of scientific work & thought (John Murray, 1908)

Science progress in the twentieth century : a quarterly journal of scientific work & thought (John Murray, 1909)

Science progress in the twentieth century : a quarterly journal of scientific work & thought (John Murray, 1910)

The scientific memoirs of Thomas Henry Huxley - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and company, 1898)

The scientific memoirs of Thomas Henry Huxley - Huxley, Thomas Henry, 1825 -1895 (Macmillan and Co., limited, 1898)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1893)

Scientific reports / John Murray Expedition 1933-34 - British Museum (Natural History) (BM(NH), 1937)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1891)

Sebrané spisy - Purkyně, Jan Evangelista, 1787 -1869 (Academia, 1918)

Senescence and rejuvenescence - Child, Charles Manning, 1869 -1954 (The University of Chicago Press, 1915)

Senescence and rejuvenescence - Child, Charles Manning, 1869 -1954 (Univ. Press, 1915)

Sex - Thomson, J. Arthur (John Arthur), 1861 -1933 (Williams & Norgate, 1914)

The shell book : a popular guide to a knowledge of the families of living mollusks, and an aid to the identification of shells native and foreign - Rogers, Julia Ellen, 1866 -1958 (Doubleday, Doran, 1934)

The shell book : a popular guide to a knowledge of the families of living mollusks, and an aid to the identification of shells native and foreign - Rogers, Julia Ellen, 1866 -1958 (Doubleday, Page, 1908)