Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1898)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1900)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1899)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1910)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1935)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1937)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1945)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1971)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1927)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1928)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1943)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1958)

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

Proceedings of the Yorkshire Geological and Polytechnic Society - Yorkshire Geological; Polytechnic Society. (Yorkshire Geological and Polytechnic Society, 1878)

Proceedings of the Yorkshire Geological and Polytechnic Society - Yorkshire Geological; Polytechnic Society. (Yorkshire Geological and Polytechnic Society, 1888)

Proceedings of the Yorkshire Geological and Polytechnic Society - Yorkshire Geological; Polytechnic Society. (Yorkshire Geological and Polytechnic Society, 1891)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1913)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1911)

Prodrome de paléontologie stratigraphique universelle des animaux mollusques & rayonnés, faisant suite au Cours élémentaire de paléontologie et de géologie stratigraphiques - Orbigny, Alcide Dessalines d', 1802 -1857 (V. Masson, 1849)

Prodromus faunae mediterraneae, sive Descriptio animalium maris Mediterranei incolarum, quam comparata silva rerum quatenus innotuit, adiectis locis et nominibus vulgaribus eorumque auctoribus - Carus, Julius Victor, 1823 -1903 (E. Schweizerbart, 1889)

Prospetto della flora ligustica e dei zoofiti del more Ligustico - De Notaris, Giuseppe, 1805 -1877 (Tip. Ferrando, 1846)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1855)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1859)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1861)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1864)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1891)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1898)

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

The Quarterly journal of the Geological Society of London - Geological Society of America. (1860)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1881)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1882)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1883)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1885)

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. (1887)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1891)

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

Random notes on natural history (Southwick & Jencks, 1886)

Rare and remarkable animals of Scotland, represented from living subjects: with practical observations on their nature - Dalyell, John Graham, 1775 -1851 (J. Van Voorst, 1847)

Re-description and revision of Smitt's "Floridan Bryozoa" in the collection of the Museum of Comparative Zoology, Harvard University - Smithsonian Institution (Virginia Museum of Natural History, in association with Smithsonian Institution, 2005)

Real Sociedad Española de Historia Natural. Tomo extraordinario publicado con motivo del 50. aniversario de su fundación, 1921 - Sociedad Española de Historia Natural. (Museo Nacional de Ciencias Naturales, 1921)

Recherches anatomiques, physiologiques et zoologiques sur les polypes - Milne-Edwards, H. (Henri), 1800 -1885 (Crochard et Cie, 1838)

Record of the Geological Survey of Victoria - Geological Survey of Victoria. (1914)

Record of the Geological Survey of Victoria - Geological Survey of Victoria. (1916)

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

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1908)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1926)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1927)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1907)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1921)

Records of the South Australian Museum - Public Library, Museum,; Art Gallery of South Australia. (Published under the authority of the board of governors and edited by the museum director, 1928)

Records of the South Australian Museum - Public Library, Museum,; Art Gallery of South Australia. (Published under the authority of the board of governors and edited by the museum director, 1932)

Records of the South Australian Museum - Public Library, Museum,; Art Gallery of South Australia. (Published under the authority of the board of governors and edited by the museum director, 1954)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1864)

Remarks on synonyms of European spiders - Thorell, T. (Tord), 1830 -1901 (C.J. Lundström, 1870)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1843)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1860)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1869)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1882)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1883)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1885)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1884)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1886)