Phylogenetic analysis and taxonomy of the Tropidurus group of lizards (Iguania, Tropiduridae) - Frost, Darrel R. (American Museum of Natural History, 1992)

Phylogenetic relationships of whiptail lizards of the genus Cnemidophorus (Squamata, Teiidae) : a test of monophyly, reevaluation of karyotypic evolution, and review of hybrid origins - Dessauer, Herbert C. (American Museum of Natural History, 2002)

Phylogenetic systematics of iguanine lizards : a comparative osteological study - De Queiroz, Kevin (University of California Press, 1987)

The physiological anatomy and physiology of man - Todd, Robert Bentley, 1809 -1860 (Parker, 1859)

A physiological essay on the thymus gland - Brodie, Benjamin, Sir, 1783 -1862 (Henry Renshaw, 1845)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1975)

The pictorial museum of animated nature ... - Knight, Charles, 1791 -1873 (C. Knight, 1844)

The pictorial museum of animated nature - Knight, Charles, 1791 -1873 (C. Cox, 1844)

The pineal organ; the comparative anatomy of median and lateral eyes, with special reference to the origin of the pineal body; and a description of the human pineal organ considered from the clinical and surgical standpoints - Gladstone, Reginald John, 1865 - (Williams & Wilkins, 1940)

A plan for phylogenetic studies of Southern African reptiles : proceedings of a workshop held at Kirstenbosch, February 2006 - South African National Biodiversity Institute. (South African National Biodiversity Institute, 2006)

Plant lists and correspondence - Barkley, Fred A. (Fred Alexander), 1908 -1989 (1949)

Pleistocene mammals and paleoecology of the western Amazon - Rancy, Alceu, 1949 - (1991)

The popular encyclopedia; being a general dictionary of arts, sciences, literature, biography, history, and political economy, reprinted from the American edition of the "Conversations lexicon" ... with dissertations on the rise and progress of literature (Blackie, 1900)

Popular lectures on the study of natural history and the sciences, vegetable physiology, zoology, the animal and vegetable poisons : and on the human faculties, mental and corporeal, as delivered before the Isle of Wight Philosophical Society - Lempriere, William. (Whittaker, Treacher and Co, 1830)

Popular Science Review (1880)

Popular Scripture zoology, containing a familiar history of the animals mentioned in the Bible - Catlow, Maria E. (Reeve, 1852)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1960)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1969)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1970)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1971)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1966)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1973)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1986)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1999)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 2004)

Principles of comparative physiology - Carpenter, William Benjamin, 1813 -1885 (John Churchill, 1854)

Principles of general and comparative physiology : intended as an introduction to the study of human physiology : and as a guide to the philosophical pursuit of natural history - Carpenter, William Benjamin, 1813 -1885 (John Churchill, 1839)

Principles of physiology, general and comparative - Carpenter, William Benjamin, 1813 -1885 (John Churchill, 1851)

Prírodopis prostonárodni : cili popsání zwírat, rostlin a nerostu : wedlé tríd a rádu jejich - Stanka, Wáclawa. (W kommissi u Kronbergra a Riwnáce, 1843)

Proceedings - Natural History Society of Maryland (1941)

Proceedings and transactions of the Nova Scotian Institute of Natural Science - Nova Scotian Institute of Natural Science. (Nova Scotian Institute of Natural Science, 1863)

Proceedings - Dorset Natural History and Archaeological Society - Dorset Natural History; Archaeological Society. (1877)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1848)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1856)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1857)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1861)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1860)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1867)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1866)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1868)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1877)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1878)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1895)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1896)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1921)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1869)

Proceedings of the Asiatic Society of Bengal - Asiatic Society of Bengal ([The Society], 1872)

Proceedings of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1872)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1902)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1903)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1914)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1917)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1937)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1940)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1942)