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

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)

Palæozoic fossils - Geological Survey of Canada (Dawson Bros, 1884)

Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 1999)

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

Paleontology : Part II. Carboniferous and cretaceous - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (Kansas Geological Survey], 1900)

Paleontology : pt. 1. Upper Cretaceous - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (Kansas Geological Survey], 1898)

The Paleozoic faunas / by Stuart Weller, Ph.D - Weller, Stuart, 1870 -1927 (The J.L. Murphy publishing co., printers, 1903)

The Pan-American geologist (Geological Pub. Co, 1922)

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

Papers from the Tortugas Laboratory of the Carnegie Institution of Washington - Carnegie Institution of Washington. Department of Marine Biology. (Carnegie Institution of Washington, 1918)

Les pénéides et sténopides / par Alphonse Milne-Edwards et E. L. Bouvier ; with nine plates - Milne-Edwards, Alphonse, 1835 -1900 (Printed for the Museum, 1909)

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)

Petrefactenkunde Deutschlands / von Fr. Aug. Quenstedt - Quenstedt, Fr. Aug. von (Friedrich August), 1809 -1889 (L.F. Fues, 1878)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1911)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1921)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1837)

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, 1883)

Physical characters of the portion of the continental border beneath the Gulf Stream explored by the Fish-Hawk, 1880 to 1882 - Verrill, A. E. (Addison Emery), 1839 -1926 (Government Printing Office, 1884)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1977)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

A pictorial atlas of fossil remains : consisting of coloured illustrations selected from Parkinson's "Organic remains of a former world," and Artis's "Antediluvian phytology" - Mantell, Gideon Algernon, 1790 -1852 (H.G. Bohn, 1850)

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)

Planktonic studies: a comparative investigation of the importance and constitution of the pelagic fauna and flora - Field, George Wilton, 1863 -1938 (Govt. Print. Off, 1893)

The plant cell wall; a topical study of architecture, dynamics, comparative chemistry and technology in a biological system - Siegel, S. M. (Sanford Marvin), 1928 - (Pergamon Press, 1962)

Point Lobos Reseerve; State Park, California - California. Division of Beaches; Parks. ([State Print. Off, 1954)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 1993)

A popular history of British zoophytes, or corallines - Landsborough, D. (David), 1779 -1854 (Reeve and co, 1852)