Progress report on pesticides and related activities - United States. Department of Agriculture. (1967)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1907)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1911)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1914)

The Protozoa - Calkins, Gary N. (Gary Nathan), 1869 -1943 (The Macmillan company, 1901)

The Protozoa - Calkins, Gary N. (Gary Nathan), 1869 -1943 (Macmillan, 1901)

The Protozoa, by Gary N. Calkins - Calkins, Gary N. (Gary Nathan), 1869 -1943 (Macmillan, 1901)

Protozoa in biological research - Calkins, Gary N. (Gary Nathan), 1869 -1943 (Columbia University Press, 1941)

Protozoan parasites of domestic animals and of man - Levine, Norman D. (Burgess Pub. Co, 1961)

Protozoölogy - Calkins, Gary N. (Gary Nathan), 1869 -1943 (Lea & Febiger, 1909)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C. C. Thomas, 1954)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C.C. Thomas, 1946)

Protozoology : a manual for medical men, veterinarians and zoologists - Wenyon, C. M. (Charles Morley), 1878 -1948 (W. Wood, 1926)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1891)

Publication. Field Museum of Natural History. Anthropological series - Field Museum of Natural History. (The Museum, 1934)

Publications: studies from the Dept. of Anatomy - Cornell University. Medical College. (1910)

Quadro elementar da historia natural dos animaes - Cuvier, Georges, baron, 1769 -1832 (impresso por H. Bryer, 1815)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1985)

Quain's elements of anatomy - Sharpey-Schäfer, E. A. Sir, (Edward Albert),‏ ‎ 1850 -1935 (William Wood, 1878)

Quain's Elements of anatomy - Sharpey-Schäfer, E. A. Sir, (Edward Albert),‏ ‎ 1850 -1935 (Longmans, Green, 1890)

Quain's Elements of anatomy - Sharpey-Schäfer, E. A. Sir, (Edward Albert),‏ ‎ 1850 -1935 (Longmans, Green, and Co, 1891)

Quain's elements of anatomy - Sharpey, William, 1802 -1880 (James Walton, 1867)

Quain's Elements of anatomy - Sharpey-Schäfer, E. A. Sir, (Edward Albert),‏ ‎ 1850 -1935 (Longmans, Green, & Co, 1908)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1854)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1856)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1864)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1865)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1866)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1868)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1877)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1878)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1885)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1889)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1891)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1892)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1893)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1895)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1901)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1902)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1903)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1904)