Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1943)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1951)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1952)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1954)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1960)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1963)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1966)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1967)

Proceedings of the Zoological and Acclimatisation Society of Victoria, and report of the annual meeting of the society - Zoological; Acclimatisation Society of Victoria. (F. A. Masterman, 1872)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1877)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1879)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1896)

Proceedings : research and management of bitterbrush and cliffrose in western North America, Salt Lake City, Utah, April 13-15, 1982 - Utah State University. (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1983)

Proceedings, Symposium on Cheatgrass Invasion, Shrub Die-off and Other Aspects of Shrub Biology and Management : Las Vegas, NV, April 5-7, 1989 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1990)

Proceedings-Symposium on Plant-Herbivore Interactions : Snowbird, Utah, August 7-9, 1985 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1987)

Proceedings–Symposium on Shrub Ecophysiology and Biotechnology, Logan, Utah, June 30-July 2, 1987 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1989)

Procès-verbaux - Société Linnéenne de Bordeaux. (1901)

Prodromus Florae Peninsulae Indiae Orientalis :containing abridged descriptions of the plants found in the peninsula of British India, arranged according to the natural system : Vol. 1 - Wight, Robert, 1796 -1872 (Parbury, Allen & Co, 1834)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1825)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1846)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1873)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1842)

Profitable plants : a description of the principal articles of vegetable origin used for food, clothing, tanning, dyeing, building, medicine, perfumery, etc - Archer, Thomas Croxen, 1817 -1885 (G. Routledge, 1865)

Programmatic environmental impact statement vegetation treatments using herbicides on Bureau of Land Management lands in 17 western states : draft - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, 2005)

Programme du cours d'histoire naturelle médicale professé à la Faculté de médecine de Paris. 3ème partie, Etude spéciale des plantes employées en médecine - Baillon, H. (Henri), 1827 -1895 (F. Savy, 1878)

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

Pronunciation of plant names - Garden Club of America. (Reproduced and printed by National Process Company], 1922)

The proper value and management of government timber lands and the distribution of North American forest trees, being papers read at the U.S. Dept. of Agriculture, May 7-8, 1884 - Fernow, B. E. (Bernhard Eduard), 1851 -1923 (Govt. Print. Off, 1884)

Proposed northern & eastern Colorado Desert coordinated management plan : an amendment to the California Desert Conservation Area Plan, 1980 and Sikes Act Plan with the California Department of Fish and Game and final environmmental impact statement - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, California Desert District Office, 2002)

Proposed route designation in the northern and eastern Mojave Desert : an amendment to the California Desert Conservation Area Plan 1980 - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, California Desert District, 2004)

Protected Areas of the World: a review of National Systems. Vol 2: Palearctic (1991)

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

A provisional list of the indigenous and naturalized flowering plants of Jamaica - Fawcett, William, 1851 -1926 (Aston W. Gardner & Co, 1893)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1895)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1896)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1903)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1910)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1911)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1917)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1923)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1926)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1927)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1930)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1952)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1976)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1977)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1985)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2012)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2015)

The psychic life of insects - Howard, L. O. (Leland Ossian), 1857 -1950 (T.Fisher Unwin, 1922)

Publicações. Comissão de linhas telegraficas estratégicas de Mato Grosso ao Amazonas (A Comissão, 1919)

Publication. Field Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1898)

Publication. Field Museum of Natural History. Anthropological series - Field Museum of Natural History. (The Museum, 1940)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1930)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1937)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1941)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1936)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1943)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1950)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1956)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1938)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1944)

[Publications] - Bureau of Government Laboratories - Philippines. Bureau of Government Laboratories. (Bureau of Public Printing, 1903)

[Publications on plant pathology from Cornell Agricultural Experiment Station Memoirs, collected by H.S. Jackson.] - Jackson, H. S. (Herbert Spencer), 1883 -1951 (Cornell University], 1915)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1977)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1978)

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

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1987)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1989)

Qualitative alkaloid tests - Schubert, Bernice, 1913 -2000 (1954)

The Quarterly journal of science (J. Churchill and Sons, etc, 1875)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1900)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1903)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1914)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1917)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1920)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1921)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1933)

The Queensland flora - Bailey, Frederick Manson 1827 -1915 (Printed by H. J. Diddams & co, 1900)

The rabbit as a farm and orchard pest - Lantz, David E. (David Ernest) (1908)

Range plant handbook - Dayton, William A. (William Adams), 1885 - (U. S. Govt. print. off, 1937)