Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1911)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1866)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1906)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1854)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1862)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1889)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1920)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1931)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1939)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1959)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1977)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1978)

Proceedings of the Royal Zoological Society of New South Wales - Royal Zoological Society of New South Wales. (The Society, 1956)

Proceedings of the Thoreau Museum of Natural History, Middlesex School, Concord, Massachusetts - Thoreau Museum Of Natural History (Middlesex School (Concord, Mass.)) (The School], 1914)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1925)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1967)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1900)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1880)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1885)

Proceedings of the Zoological Society of London : an index to the artists, 1848-1900 - Johnson, Bryan R., 1956 - (Garland, 1986)

Procès-verbaux - Société Linnéenne de Bordeaux. (1943)

Procès-verbaux - Société Linnéenne de Bordeaux. (1946)

Prodrome de la malacologie terrestre et fluviatile de la Tunisie - Bourguignat, J. R. (Jules René), 1829 -1892 (Imprimerie Nationale, 1887)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1975)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1918)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1915)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1917)

Reading Naturalist. Reading - Reading Natural History Society. (2009)

Reading Naturalist. Reading - Reading Natural History Society. (2010)

Reading Naturalist. Reading - Reading Natural History Society. (2012)

Récoltes malacologiques du Dr. J. Bequaert dans le Congo Belge - Dautzenberg, Ph. (Philippe), 1849 -1935 (Hayez, 1914)

The Record of zoological literature (J. van Voorst, 1864)

The Record of zoological literature (J. van Voorst, 1867)

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

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1930)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2016)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2017)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2019)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1912)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1917)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1918)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1920)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1959)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1988)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1965)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1966)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1986)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1918)

Releases of beneficial organisms in the United States and territories, 1982 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1992)

Repertorio fisico-natural de la isla de Cuba - Poey, Felipe, 1799 -1891 (Impr. del gobierno y capitanía general por S.M. [etc, 1866)

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. (1831)

Report of the Director to the Board of Trustees for the year ... - Chicago Natural History Museum. (The Museum, 1954)

Report of the Director to the Board of Trustees for the year ... - Chicago Natural History Museum. (The Museum, 1944)

Report of the North Carolina geological survey. together with descriptions of the fossils of the marl beds. Agriculture of the eastern counties - Emmons, Ebenezer, 1799 -1863 (H.D. Turner, 1858)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1929)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1923)

Report upon the fauna of Liverpool Bay and the neighboring seas - Herdman, W. A. Sir, (William Abbott), 1858 -1924 (Longmans, Green, 1892)

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 the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1905)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

Return / British Museum - British Museum (Natural History) (British Museum, 1916)

A review of the non-marine fossil Mollusca of North America - Geological Survey (U.S.) (G.P.O, 1883)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2016)

Revista do Museu Paulista - Museu Paulista (O Museu, 1937)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1913)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1914)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1918)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1930)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1938)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1963)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1973)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1974)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1984)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1993)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1995)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 2016)

Revue zoologique africaine (Hayez, 1914)

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

Rivista italiana di paleontologia - Fornasini, Carlo. (Rivista italiana di paleontologia, 1896)

Rivista italiana di paleontologia - Fornasini, Carlo. (Rivista italiana di paleontologia, 1897)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1898)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1899)

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)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1910)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1921)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1895)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1897)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1911)

Schriften des Naturwissenschaftlichen Vereins für Schleswig-Holstein - Naturwissenschaftlicher Verein für Schleswig-Holstein. (Lipsius & Tischer, 1911)

Science - American Association for the Advancement of Science. ([s.n.], 1884)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1894)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1896)