Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1929)

Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1916)

Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1941)

Palæontology ... - Geological Survey of California. (Caxton press of Sherman and co.], 1864)

Palæontology ... - Geological Survey of California. (Caxton press of Sherman and co.], 1869)

Palaeontology - Palaeontological Association (Palaeontological Association, 1986)

Palaeontology - Palaeontological Association (Palaeontological Association, 1989)

Palæontology, invertebrate - Woods, Henry, 1868 -1952 (The University press, 1909)

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)

Paléontologie française : description zoologique et géologique de tous les animaux mollusques et rayonnés fossiles de France : comprenant leur application à la reconnaissance des couches - Orbigny, Alcide Dessalines d', 1802 -1857 (Chez l'auteur, 1840)

Paleontology of the Coalinga district, Fesno and Kings counties, California - Arnold, Ralph, 1875 -1961 (Govt. Print. Off, 1909)

Panamic Province molluscan literature : additions and changes from ... - Skoglund, Carol (San Diego Shell Club, 2001)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1918)

Pelecypoda of the St. Maurice and Claiborne stages - Harris, Gilbert D. (Gilbert Dennison), 1864 -1952 (Harris co., Cornell University, 1919)

Pélécypodes du montien de Belgique - Cossmann, M. (Maurice), 1850 -1924 (Imprimerie Polleunis & Ceuterick, Dreesen & DeSmet, successeurs, 1908)

Peninsula Field Naturalists' Club Newsletter - Australia (Peninsula Field Naturalists' Club, 2022)

Die Petrefactenkunde auf ihrem jetzigen Standpunkte durch die Beschreibung seiner Sammlung versteinerter und fossiler Überreste des Thier-und pflanzenreichs der Vorwelt erläutert - Schlotheim, E. F. Freiherr von, (Ernst Friedrich), 1764 -1832 (1820)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1913)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1906)

Physica sacra - Scheuchzer, Johann Jakob, 1672 -1733 (Christian Ulrich Wagner], 1731)

The physiography and geology of the coastal plain province of Virginia - Clark, William Bullock, 1860 -1917 (University of Virginia, 1912)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1955)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1964)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1965)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1972)

Popular conchology, or, The shell cabinet arranged according to the modern system : with a detailed account of the animals, and a complete descriptive list of the families and genera of recent and fossil shells - Catlow, Agnes, 1807? -1889 (Longman, Brown, Green, and Longmans, 1854)

A preliminary catalogue of the shell-bearing marine mollusks and brachiopods of the southeastern coast of the United States, with illustrations of many of the species - Dall, William Healey, 1845 -1927 (Govt. Print. Off, 1903)

A preliminary report on the geology of Louisiana - Atkinson, George Francis, 1854 -1918 (1899)

Prince George's County - Bauer, L. A. (Louis Agricola), 1865 -1932 (The Johns Hopkins Press, 1911)

Principles of zoölogy : a guide for beginners - Schiedt, Richard Francis Conrad, 1859 -1951 (Examiner Printing House, 1892)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1895)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1854)

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, 1861)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1882)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1890)

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, 1903)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1905)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1911)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1912)

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