The Protozoa - Calkins, Gary N. (Gary Nathan), 1869 -1943 (Macmillan, 1901)

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

The Pterobranchia of the Siboga-expedition with an account of other species - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Late E. J. Brill, 1905)

Publications in biological oceanography - National Museum of Natural Sciences (Canada) (The Museum, 1972)

Publications in natural sciences = Publications de sciences naturelles - National Museum of Natural Sciences (Canada) (National Museums of Canada, 1983)

Quantitative composition and distribution of the macrobenthic invertebrate fauna of the continental shelf ecosystems of the northeastern United States - Theroux, Roger B. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Scientific Publications Office, 1998)

Quarterly journal of conchology (D. Bogue, 1875)

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.], 1858)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1870)

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

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1874)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1875)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1876)

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

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1878)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1880)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1882)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1883)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1885)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1886)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1887)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1889)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1892)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1893)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1894)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1896)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1897)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1900)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1901)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1902)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1903)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1906)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1907)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1917)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1922)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1888)

The Quarterly journal of science (J. Churchill and Sons, etc, 1865)

The Quarterly journal of science (J. Churchill and Sons, etc, 1866)

The Quarterly journal of science (J. Churchill and Sons, etc, 1870)

Quarterly Journal of Science, Literature and the Arts - Royal Institution of Great Britain. (1823)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1950)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1970)

Quarterly journal of the Folkestone Natural History Society - Folkestone Natural History Society. (1868)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1850)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1851)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1873)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1884)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1886)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1900)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1920)

Rambles of a naturalist on the shores and waters of the China Sea : being observations in natural history during a voyage to China, Formosa, Borneo, Singapore, etc., made in Her Majesty's vessels in 1866 and 1867 - Collingwood, Cuthbert, 1826 -1908 (J. Murray, 1868)

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

Random notes on natural history (Southwick & Jencks, 1884)

Rapports et procès-verbaux des réunions - International Council for the Exploration of the Sea. (Le Conseil, 1905)

Rapports et procès-verbaux des réunions - International Council for the Exploration of the Sea. (Le Conseil, 1912)

Rapports et procès-verbaux des réunions - International Council for the Exploration of the Sea. (Le Conseil, 1913)

Rare and remarkable animals of Scotland, represented from living subjects: with practical observations on their nature - Dalyell, John Graham, 1775 -1851 (J. Van Voorst, 1848)

Répertoire des plantes utiles et des plantes vénéneuses du globe contenant la synonymie latine et française des plantes, leurs noms vulgaires français et l'indication de leurs usages ... précédé d'un traité indispensable aux personnes qui veulent herboriser, et composer des herbiers - Duchesne, E. A. (Edouard Adolphe), 1804 -1869 (J. Renouard, 1836)

Readings in evolution, genetics, and eugenics - Newman, Horatio Hackett, 1875 -1957 (University of Chicago Press, 1921)

Readings in evolution, genetics and eugenics - Newman, Horatio Hackett, 1875 -1957 (University of Chicago Press, 1921)

Recent advances in invertebrate physiology; a symposium sponsored by the National Science Foundation, the Tektronix Foundation [and] the University of Oregon - Scheer, Bradley T. (Bradley Titus), 1914 - (University of Oregon Publications, 1957)

Recherches sur les tuniciers / par Fernand Lahille - Lahille, Fernando. (Impr. Lagarde et Sebille, 1890)

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

The Record of zoological literature (J. van Voorst, 1865)

The Record of zoological literature (J. van Voorst, 1866)

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

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

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

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1890)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1892)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1897)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2013)

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, 2018)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1913)

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

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1922)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1992)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2002)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2003)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2008)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2017)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2019)

Recueil zoologique suisse (H. Geog, 1886)

Reflections on the phenomenon of rejuvenescence in nature, especially in the life and development of plants - Braun, Alexander, 1805 -1877 (1851)

Report (and Abstracts of Proceedings and Papers) of the Brighton and Sussex Natural History and Philosophical Society - Brighton; Sussex Natural History; Philosophical Society. (1875)

Report and Proceedings of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1901)

Report and proceedings of the Chester Society of Natural Science, Literature and Art - Chester Society of Natural Science Literature; Art. (1910)

Report and proceedings of the Chester Society of Natural Science, Literature and Art - Chester Society of Natural Science Literature; Art. (1898)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1882)