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

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1907)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1908)

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

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1920)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1851)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1858)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1866)

The phyla and classes of animals : arranged to show their supposed relationships - Hay, William Perry, 1872 -1947 (s.n.], 1909)

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

The physiological anatomy and physiology of man - Todd, Robert Bentley, 1809 -1860 (Parker, 1859)

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

The physiology of the invertebrata - Griffiths, A. B. (Arthur Bower), 1859 - (L. Reeve, 1892)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1918)

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)

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)

The plankton of the Illinois river, 1894-1899, with introductory notes upon the hydrography of the Illinois river and its basin - Kofoid, Charles A. (Charles Atwood), 1865 -1947 (1903)

The plankton of the Illinois river, 1894-1899, with introductory notes upon the hydrography of the Illinois river and its basin - Kofoid, Charles A. (Charles Atwood), 1865 -1947 (1908)

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

The Popular educator: a complete encyclopaedia of elementary, advanced and technical education (Cassell, 1888)

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)

Popular Science Review (1864)

Popular Science Review (1865)

Popular Science Review (1867)

Popular Science Review (1875)

Popular Science Review (1880)

A popular zoology - Jenks, J. W. P. 1819 -1894 (A.S. Barnes & Company, 1887)

Poultry diseases and their treatment - Kaupp, B. F. (Benjamin Franklyn), 1874 -1954 (Eger, 1914)

Poultry diseases and their treatment - Campbell, D. M. (Delwin Morton), 1880 -1952 (American Journal of Veterinary Medicine, 1914)

Poultry diseases, including diseases of other domesticated birds; with a chapter on the anatomy of the fowl - Kaupp, B. F. (Benjamin Franklyn), 1874 -1954 (A. Eger, 1922)

Poultry diseases, with a chapter on the Anatomy of the fowl - Kaupp, B. F. (Benjamin Franklyn), 1874 -1954 (American Veterinary Pub. Co, 1917)

Poultry diseases : with a chapter on the Anatomy of the fowl - Kaupp, B. F. (Benjamin Franklyn), 1874 -1954 (American Veterinary Pub. Co, 1917)

Practical bacteriology, blood work and animal parasitology, including bacteriological keys, zoological tables and explanatory clinical notes - Stitt, E. R. (Edward Rhodes), 1867 -1948 (P. Blakiston's son & co, 1909)

Practical bacteriology, blood work and animal parasitology, including bacteriological keys, zoological tables and explanatory clinical notes - Stitt, Edward Rhodes, 1867 - (P. Blakiston's son and co, 1916)

Practical bacteriology, blood work and animal parasitology : including bacteriological keys, zoological tables and explanatory clinical notes - Stitt, E. R. (Edward Rhodes), 1867 -1948 (H.K. Lewis, 1913)

Practical bacteriology, blood work and animal parasitology : including bacteriological keys, zoological tables and explanatory clinical notes - Stitt, Edward Rhodes, 1867 - (P. Blakiston, 1914)

The practical fisherman : dealing with the natural history, the legendary lore, the capture of British freshwater fish, and tackle and tackle making - Keene, John Harrington. (The Bazaar Office, 1881)

Practical lessons in science - Scovell, J. T. (Josiah Thomas), 1841 - (The Werner Co, 1895)