Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1968)

Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1970)

The Palæontological report : as prepared for the Geological report of Kentucky and published in vol. 3 - Lesquereux, Léo, 1806 -1889 (A.G. Hodges, 1857)

Palaeontology - Palaeontological Association (Palaeontological Association, 1959)

Palaeontology - Palaeontological Association (Palaeontological Association, 1957)

Palaeontology - Palaeontological Association (Palaeontological Association, 1962)

Palaeontology - Palaeontological Association (Palaeontological Association, 1965)

Palaeontology - Palaeontological Association (Palaeontological Association, 1967)

Palaeontology - Palaeontological Association (Palaeontological Association, 1970)

Palaeontology - Palaeontological Association (Palaeontological Association, 1971)

Palaeontology - Palaeontological Association (Palaeontological Association, 1973)

Palaeontology - Palaeontological Association (Palaeontological Association, 1975)

Palaeontology - Palaeontological Association (Palaeontological Association, 1977)

Palaeontology - Palaeontological Association (Palaeontological Association, 1979)

Palaeontology - Palaeontological Association (Palaeontological Association, 1980)

Palaeontology - Palaeontological Association (Palaeontological Association, 1982)

Palaeontology - Palaeontological Association (Palaeontological Association, 1983)

Palaeontology - Palaeontological Association (Palaeontological Association, 1984)

Palaeontology - Palaeontological Association (Palaeontological Association, 1985)

Palaeontology - Palaeontological Association (Palaeontological Association, 1988)

Palæontology. Fossil corals - Rominger, Carl Ludwig, 1820 -1907 (J. Bien, 1876)

Palaeontology; or, A systematic summary of extinct animals and their geological relations - Owen, Richard, 1804 -1892 (A. and C. Black, 1861)

Palaeontology; or, A systematic summary of extinct animals and their geological relations - Owen, Richard, 1804 -1892 (A. and C. Black, 1860)

Palæontology; or, A systematic summary of extinct animals and their geological relations - Owen, Richard, 1804 -1892 (A. and C. Black, 1860)

Palaeontology or A systematic summary of extinct animals and their geological relations - Owen, Richard, 1804 -1892 (A. and C. Black, 1861)

Palaeontology, or, A systematic summary of extinct animals and their geological relations - Owen, Richard, 1804 -1892 (A. and C. Black, 1860)

Paléontologie végétale cryptogames cellulaires et cryptogames vasculaires - Pelourde, Fernand. (O. Doin, 1914)

Paleobotany, paleoecology, and evolution - Niklas, Karl J (Praeger, 1900)

Paléontologie de la France - Archiac, vicomte d' (Etienne Jules Adolphe Desmier), 1802 -1868 (Imprimerie impériale, 1868)

Paléontologie de Maine et Loire : comprenant avec des observations et l'indication des diverses formations géologiques du département de Maine et Loire, un relevé des roches, des minéraux et des fossiles qui se rapportent à chacune d'elles / par P.-A. Millet - Millet de La Turtaudière, P.-A. 1783 -1873 (Impr. de Cosnier et Lachèse, 1854)

The Paleozoic fishes of North America / by John Strong Newberry - Newberry, J. S. (John Strong), 1822 -1892 (Govt. print. off, 1889)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1904)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1886)

Papers and proceedings of the Royal Society of Van Diemen's Land - Royal Society of Tasmania. (Royal Society of Van Diemen's Land, 1849)

[Papers : collection of nine pamphlets and journal articles on paleontology - Winchell, Alexander, 1824 -1891 (1862)

Papers on pollination - Darwin, Charles, 1809 -1882 (1861)

Part I. The living flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (Wheeling news litho. co, 1913)

The past and present life of the globe. Being a sketch in outline of the world's life-system - Page, David, 1814 -1879 (W. Blackwood and sons, 1861)

Pennsylvanian flora of northern Illinois - Noé, A. C. 1873 -1939 (1925)

The Permian of Mongolia : a report on the Permian fauna of the Jisu Honguer limestone of Mongolia and its relations to the Permian of other parts of the world - Berkey, Charles Peter, 1867 -1955 (American Museum of Natural History, 1931)

The Permian or Upper Carboniferous flora of West Virginia and S.W. Pennsylvania - Fontaine, William Morris, 1835 -1913 (Published by the Board of Commissioners for the Second Geological Survey, 1880)

The Permian or Upper Carboniferous flora of West Virginia and S.W. Pennsylvania - Fontaine, William Morris, 1835 -1913 (Pub. by the Board of Commissioners for the Second Geological Survey, 1880)

The Permo-Carboniferous red beds of North America and their vertebrate fauna - Case, E. C. (Ermine Cowles), 1871 -1953 (Carnegie institution of Washington, 1915)

Petrefacten-Buch oder allgemeine und besondere Versteinerungskunde : mit Berücksichtigung der Lagerungsverhältnisse, besonders in Deutschland - Schmidt, F. A. (Hoffmann'sche Verlags-Buchhandlung, 1846)

Petrefactenbuch, oder allgemeine und besondere Versteinerungskunde mit Berücksichtigung der Lagerungs-Verhältnisse, besonders in Deutschland - Schmidt, F. A. (Krais & Hoffmann, 1855)

Petrifactions and their teachings, or, A hand-book to the gallery of organic remains of the British Museum - British Museum (Natural History). Department of Zoology. (H.G. Bohn, 1851)

Die Pflanzenwelt - Warburg, Otto, 1859 -1938 (Bibliographisches Institut, 1913)

Die Pflanzenwelt vor dem Erscheinen des Menschen - Vogt, Karl Christoph, 1817 -1895 (Braunschweig : F. Vieweg u. Sohn, 1881)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1866)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1882)

The Philosophical magazine : or Annals of chemistry, mathematics, astronomy, natural history and general science (Richard Taylor and Co, 1828)

The Philosophical magazine : or Annals of chemistry, mathematics, astronomy, natural history and general science (Richard Taylor and Co, 1830)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1845)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1855)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1865)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1872)

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, 1877)