Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 1974)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 1976)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 1977)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 1978)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 1982)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 1984)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 1986)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 1998)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 2003)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 2004)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 2021)

Papers on Diptera - Meade, Richard Henry 1814 -1899 (Smithsonian Institution, 1882)

"Paradox lost" : skeletal ontogeny of Indostomus paradoxus and its significance for the phylogenetic relationships of Indostomidae (Teleostei, Gasterosteiformes) - Britz, Ralf, 1964 - (American Museum of Natural History, 2002)

Paralogy in cladistic biogeography and analysis of paralogy-free subtrees - Nelson, Gareth J. (American Museum of Natural History, 1996)

The patterns of sexuality and the classification of serranid fishes - Smith, C. Lavett, 1927 - (American Museum of Natural History, 1965)

Periódico zoológico - Sociedad Entomológica Argentina. (Sociedad Entomica Argentina, 1874)

Peru : Ere-Campuya-Algodón - Field Museum of Natural History. (The Field Museum, Science and Education, 2013)

Peru : Maijuna - Alverson, William Surprison (Field Museum, Environment, Culture and Conservation, 2010)

Perú : Cerros de Kampankis - Stotz, Douglas F. (Douglas Forrester), 1956 - (The Field Museum, Environment, Culture, and Conservation, 2012)

Perú, Medio Putumayo-Algodón - Stotz, Douglas F. (Douglas Forrester), 1956 - (Field Museum of Natural History, 2016)

Perú : Nanay-Mazán-Arabela - Alverson, William Surprison (Field Museum, Environmental and Conservation Programs, 2007)

Perú : Yaguas-Cotuhé - Field Museum of Natural History. (Field Museum, Environment, Culture, and Conservation, 2011)

Pesci - Vinciguerra, Decio, 1856 -1934 (Tip. del R. Istituto Sordo-Muti, 1890)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1912)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1922)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1858)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1866)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1871)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1873)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1876)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1877)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1878)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1881)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1882)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1883)