Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2017)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1923)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1987)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1990)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2002)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2003)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1929)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1990)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1909)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1992)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2015)

Proceedings of the Literary and Philosophical Society of Liverpool - Literary; Philosophical Society of Liverpool. (1856)

Proceedings of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1888)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1922)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1923)

Proceedings of the Natural history society of Dublin for the session ... - Natural History Society of Dublin. (Printed for the Society, 1862)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1983)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1884)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1912)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1917)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1921)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1909)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1892)

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, 1903)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 2015)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 2020)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 2021)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1981)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1987)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1993)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1995)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1999)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 2006)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 2007)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 2008)

Proceedings of the Sixth International Marine Biological Workshop : the marine flora and fauna of Darwin Harbour, Northern Territory, Australia - Hanley, J Russell (Museum & Art Gallery of the N.T, 1997)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1922)

Proceedings of the Standing Senate Committee on Agriculture and Forestry, Subcommittee on Boreal Forest = Délibérations du Comité sénatorial permanent de l'agriculture et des forêts, Sous-comité de la forêt boréale - Canada. Parliament. Senate. Subcommittee on Boreal Forest. (Senate of Canada = Sénat du Canada, 1997)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1910)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1920)

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.], 1904)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1922)

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)

ProHort - Center for Urban Horticulture (1996)

Proserpina; also Ariadne Florentina, The opening of the Crystal Palace, St. Mark's rest, Lectures on art, The elements of perspective - Ruskin, John, 1819 -1900 (Lovell, Coryell, 1800)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1890)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2012)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2013)

Pteridologist - British Pteridological Society. (The Society, 2011)

Pteridologist - British Pteridological Society. (The Society, 2014)

Pteridologist - British Pteridological Society. (The Society, 2015)

Pteridologist - British Pteridological Society. (The Society, 2016)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1923)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1959)

Publications - Puget Sound Biological Station - Puget Sound Biological Station. (Puget Sound Biological Station, University of Washington, 1918)

Published papers and addresses of John Campbell Merriam ... - Merriam, John C. (John Campbell), 1869 -1945 (The Carnegie institution of Washington, 1938)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1866)

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

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

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

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

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1911)

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

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1923)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1948)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1865)

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

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. (1885)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1894)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1896)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1923)

Quinologia, o tratado del árbol de la quina ó cascarilla, : con su descripcion y la de otras especies de quinos nuevamente descubiertas en el Perú; del modo de beneficiarla, de su eleccion, comercio, virtudes, y extracto elaborado con cortezas recientes, y de la eficacia de este, comprobada con observaciones; á que se añaden algunos experimentos chîmicos, y noticias acerca del analisis de todas ellas - Ruiz, Hipólito, 1754 -1816 (En la oficina de la viuda é hijo de Marin, 1792)

Raptor collisions with utility lines : an analysis using subjective field observations : final report - United States. Bureau of Land Management. (Pacific Gas and Electric Company, Research and Development, 1986)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1983)

Rariora naturae & artis item in re medica, oder, Seltenheiten der Natur und Kunst des kundmannischen Naturalien-Cabinets, wie auch in der Artzeney-Wissenschafft : Darinnen abgehandelt werden I. Examen fossilium & lapidum quorundam rariorum, oder Untersuchung verschiedener unterirdischer Seltenheiten und sonderbar figurirten Steine. II. Memorabilia naturae & artis, oder Merckwürdigkeiten der Natur und Kunst. III. Observationes in re medica singulares, oder Sonderbare Anmerckungen zur Artzeney-Kunst und Wissenschafft gehörig. Denen beygesetzt 1. Ungewöhnliche Delicatessen und abgeschmackte Speisen in allen Theilen der Welt, wie auch einzelner Personen; 2. Historie von der erschrecklichen Menschen-Pestilentz, wie sie vom Anfang dieses Seculi, bis auf das Jahr 1715 von Orient aus, durch die Polnische, Ungarische, Teutsche, Schwedische und Dänische Reiche von Jahren zu Jahren, von Ort zu Ort, aufs hefftigste gewütet, aus gedruckten, wie auch schrifftlichen Nachrichten gesammlet, und was wegen der Praeservation und Cur sonderbares angemercket worden; 3. Reflexiones über die Kranckheits- und Todten-Listen, mit medicinischen Anmerckungen begleitet, und dem Druck, nebst vielen Kupffern und eingedruckten Figuren - Kundmann, Johann Christian, 1684 -1751 (Bey Michael Hubert, 1737)

Reading Naturalist. Reading - Reading Natural History Society.

Recherches sur les végétaux fossiles de Meximieux - Marion, A.-F.‏ ‎ (Antoine Fortuné),‏ ‎ 1846 -1900 ([publisher not identified], 1872)

Recherches zoologiques et anatomiques sur les mollusques opistobranches du golfe de Marseille ... - Vayssière, A. (Albert Jean Baptiste Marie), 1854 -1942 (Typ. J. Cayer, 1885)

Reclamation techniques for soils treated with non-selective residual herbicides (soil sterilants) - Alberta. Alberta Environmental Protection. (Alberta Conservation and Reclamation Council (Reclamation Research Technical Advisory Committee), 1993)

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

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

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1996)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 2002)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 2001)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 1991)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 1996)

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, 2010)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2016)

Recreational trampling effects on six habitat types in western Montana - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985)

Register of merit of Jersey cattle - American Jersey Cattle Club. (The American Jersey Cattle Club, 1922)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1917)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1928)