Popular British conchology. A familiar history of the molluscs inhabiting the British Isles - Sowerby, George Brettingham, 1788 -1854 (Lovell Reeve, 1854)

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)

Popular history of the aquarium of marine and fresh-water animals and plants - Sowerby, George Brettingham, 1788 -1854 (Lovell Reeve, 1857)

A popular history of the Mollusca; comprising a familiar account of their classification, instincts and habits, and of the growth and distinguishing characters of their shells - Roberts, Mary, 1788 -1864 (Reeve and Benham, 1851)

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, 1909)

The practical home farmer, a popular guide for the farm and fireside - Munroe, F. L., (Union printing company, 1886)

The practical stock doctor - Waterman, George Arthur, (F. B. Dickerson company, 1904)

Practical veterinary pharmacology and therapeutics - Milks, Howard Jay, 1879 -1954 (The Macmillan Company, 1917)

Practical veterinary pharmacology and therapeutics - Milks, Howard Jay, 1879 -1954 (The Macmillan company, 1917)

Practice of equine medicine; a manual for students and practitioners of veterinary medicine, arranged with questions and answers, with an appendix containing prescriptions for the horse and the dog - Hanson, Harry D. (H.D. Hanson & Brother, 1908)

Practice of equine medicine : a manual for students and practitioners of veterinary medicine, arranged with questions and answers, with an appendix containing prescriptions for the horse and the dog - Hanson, Harry D. (H.D. Hanson & Bro, 1899)

The practice of veterinary medicine and surgery - Courtenay, Edward. (Baillière, Tindall & Cox, 1887)

Practice on Equine medicine; a manual for students and practitioners of veterinary medicine, arranged with questions and answers, with an appendix containing prescriptions for the horse and the dog - Hanson, Harry Dennett. (H. D. Hanson & brother, 1908)

Preliminary catalogue of the marine mollusca of the Pacific Coast of Canada, with notes upon their distribution - Taylor, George W. (s.n, 1895)

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)

The preparation & mounting of microscopic objects - Davies, Thomas (R. Hardwicke, 1863)

The preparation and mounting of microscopic objects - Matthews, John, M. D. (Gibbings, 1896)

Die preussische expedition nach Ost-Asien : nach amtlichen quellen V. 1 Zoologischer theil - Martens, Eduard von, 1831 -1904 (R. v. Decker, 1876)

The prevention and treatment of diseases of the domestic animals including etiology and symptoms - Winslow, Kenelm, 1863 - (William R. Jenkins Co, 1910)

The principles and practice of veterinary medicine - Williams, William, 1832 -1900 (John Menzies, 1897)

The principles and practice of veterinary surgery - Williams, William, 1832 -1900 (W.R. Jenkins, 1882)

The principles and practice of veterinary surgery - Williams, William, 1832 -1900 (W.R. Jenkins, 1894)

Principles of human physiology : with their chief applications to psychology, pathology, therapeutics, hygiène, and forensic medicin - Carpenter, William Benjamin, 1813 -1885 (Blanchard and Lea, 1853)

Proceedings - Dorset Natural History; Archaeological Society.

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1889)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1895)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1901)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1906)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1911)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1913)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1920)

Proceedings and transactions of the Natural History Society of Glasgow - Natural History Society of Glasgow. (The Society, 1886)

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 - Cambridge Philosophical Society Mathematical and physical sciences - Cambridge Philosophical Society. (Cambridge Philosophical Society [etc.], 1889)

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, 1841)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1844)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1846)

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, 1852)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1871)

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, 1885)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1891)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1901)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1904)

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, 1907)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1908)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1910)

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, 1916)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1902)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1905)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1923)

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, 1972)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1841)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1845)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1854)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1861)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1871)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1935)

Proceedings of the California Academy of Natural Sciences - California Academy of Natural Sciences (The Academy, 1854)

Proceedings of the California Academy of Natural Sciences - California Academy of Natural Sciences (The Academy, 1863)

Proceedings of the California Academy of Sciences 3d ser Geology - California Academy of Sciences (The Academy, 1902)

Proceedings of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1868)

Proceedings of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1873)

Proceedings of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1895)

Proceedings of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1896)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1913)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1908)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1919)