Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Humphrey Milford, Oxford University Press, 1929)

Oversigt over det Kongelige Danske videnskabernes selskabs forhandlinger = Bulletin de l'Académie royale des sciences et des lettres de Danemark - Kongelige Danske videnskabernes selskab. (A.F. Høst, 1898)

Oversigt over det Kongelige Danske videnskabernes selskabs forhandlinger = Bulletin de l'Académie royale des sciences et des lettres de Danemark - Kongelige Danske videnskabernes selskab. (A.F. Høst, 1900)

Palaeontological memoirs and notes of H. Falconer, with a biographical sketch of the author Vol. I, II - Falconer, Hugh, 1808 -1865 (1868)

Palaeontology - Palaeontological Association (Palaeontological Association, 1979)

Palaeontology - Palaeontological Association (Palaeontological Association, 1984)

Palaeontology - Palaeontological Association (Palaeontological Association, 1995)

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

Parasites : articles contributed to Wood's reference handbook of the medical sciences, new series, 1900-1904 - Ward, Henry Baldwin, 1865 -1945 (1904)

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

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

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1881)

The Philosophical magazine and journal : comprehending various branches of science, the liberal and fine arts, agriculture, manufactures, and commerce (R. Taylor, 1826)

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Philosophical transactions. Series A: Mathematical and physical sciences - Royal Society (Great Britain) (1887)

The philosophy of biology - Johnstone, James, 1870 -1932 (at the University Press, 1914)

The philosophy of biology - Johnstone, James, 1870 -1932 (University Press, 1914)

Phyllosticta leaf spot, fruit blotch, and canker of the apple : its etiology and control - Guba, Emil Frederick, 1897 - (University of Illinois Agricultural Experiment Station, 1925)

A phylogenetic classification of animals (for the use of students) - Herdman, W. A. Sir, (William Abbott), 1858 -1924 (Macmillan and Co, 1885)

Phylogeny and evolution of Crustacea : proceedings of a conference held at Cambridge, Mass, March 6-8, 1962 - Whittington, H. B. (Harry Blackmore), 1916 -2010 (Museum of Comparative Zoology, 1963)

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The physiology of reproduction - Marshall, F. H. A. (Francis Hugh Adam), 1878 -1949 (Longmans, Green and Co, 1910)

The physiology of reproduction - Marshall, F. H. A. (Francis Hugh Adam), 1878 -1949 (Longmans, Green, 1910)

The physiology of reproduction - Marshall, F. H. A. (Francis Hugh Adam), 1878 -1949 (Longmans, 1922)

The physiology of the Invertebrata - Griffiths, A. B. (Arthur Bower), 1859 - (D. Appleton and Company, 1892)

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

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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)

Plants of New Zealand - Blackwell, E. W. (Ellen Wright), 1864 -1952 (Whitcombe and Tombs, Ltd, 1906)

Plants of New Zealand - Blackwell, E. W. (Ellen Wright), 1864 -1952 (Whitcombe and Tombs, 1907)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 1963)

Polychaetes & allies : the southern synthesis - Glasby, Christopher John (Environment Australia, 2000)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1912)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1910)

Popular natural history : a description of animal life, from the lowest forms up to man - Kingsley, J. S. (John Sterling), 1854 -1929 (Estes & Lauriat, 1890)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1879)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1881)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1885)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1893)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1872)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1895)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1896)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1913)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1914)

Popular Science Review (1874)

Popular Science Review (1876)

Popular Science Review (1877)

Popular Science Review (1879)

Popular Science Review (1880)

The porifera and coelentera - Bourne, Gilbert C. (Gilbert Charles), 1861 -1933 (Adam & Charles Black, 1900)

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The primary factors of organic evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (Open Court Pub. Co, 1904)

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The primary factors of organic evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (The Open Court Publishing Company, 1896)

Primitive animals - Smith, Geoffrey, 1881 -1916 (The University press, 1911)

Principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill, 1920)

Principles of animal biology - Larue, George R. 1882 - (McGraw-Hill book company, inc, 1946)

The principles of biology - Spencer, Herbert, 1820 -1903 (D. Appleton, 1899)

The principles of biology - Spencer, Herbert, 1820 -1903 (D. Appleton, 1910)

The principles of biology - Spencer, Herbert, 1820 -1903 (D. Appleton, 1896)

The principles of biology, by J. I. Hamaker - Hamaker, John Irvin, 1869 - (P. Blakiston, 1913)

The principles of biology - Hamaker, J. I. (John Irvin), 1869 - (P. Blakiston's Sons & Co, 1913)

Principles of modern biology - Marsland, Douglas, 1899 - (Holt, Rinehart and Winston, 1899)