Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1949)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1950)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1952)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1955)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1956)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1963)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1911)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1905)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1914)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1920)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1914)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1916)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1902)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1903)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1910)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1913)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1927)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1900)

Proceedings of the workshop on biological control of pests in Canada, October 11-12, 1990, Calgary, Alberta - Alberta. Alberta Agriculture. (Alberta Environmental Centre, 1991)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1850)

Protozoa - Bhatia, B. L. (Bihari Lal), 1884 -1941 (Taylor and Francis, 1936)

Protozoa and other protists - Sleigh, Michael A. (E. Arnold, 1989)

Protozoa ... - Bhatia, B. L. (Bihari Lal), 1884 -1941 (Taylor and Francis, 1938)

Protozoa - Schwager, Conrad. (C.F. Winter, 1880)

Protozoan parasites of domestic animals and of man - Levine, Norman Dion, 1912 -1999 (Burgess Pub. Co, 1961)

Protozoology - Hall, Richard P. (Richard Pinkham), 1900 -1969 (Prentice-Hall, 1953)

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 - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (Thomas, 1939)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1875)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1876)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1874)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1877)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1880)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1883)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1890)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1891)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1893)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1899)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1902)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1901)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1900)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1914)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1915)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1929)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1934)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1953)

Publicaciones de extensión cultural y didáctica - Museo Argentino De Ciencias Naturales "bernardino Rivadavia." Instituto Nacional de Investigación de las Ciencias Naturales. (Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" e Instituto Nacional de Investigación de las Ciencias Naturales, 1947)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1951)

Publications - Ontario Fisheries Research Laboratory. (University of Toronto Press, 1922)

Publications ... available for free distribution - United States. Bureau of Entomology. (1917)

Publications ... available for free distribution - United States. Bureau of Entomology. (1916)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1965)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1967)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1968)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1969)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1970)