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

Petite faune entomologique du Canada : précédée d'un traité élémentaire d'entomologie - Provancher, L. (Léon), 1820 -1892 (C. Darveau, 1886)

Petites nouvelles entomologiques (E. Deyrolle, 1869)

Die Pflanzenfeinde aus der Klasse der Insekten. Ein nach Pflanzenfamilien geordnetes Handbuch sämmtlicher auf den einheimischen Pflanzen bisher beobachteten Insekten zum Gebrauch für Entomologen, Insektensammler, Botaniker, Land- und Forstwirthe und Gartenfreunde - Kaltenbach, J. H. (Johann Heinrich), 1807 -1876 (J. Hoffmann, 1874)

Pflanzenschutz nach Monaten geordnet; eine Anleitung für Landwirte, Gärtner, Obstbaumzüchter &c - Hiltner, Lorenz (E. Ulmer, 1909)

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, 1917)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1918)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1954)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1985)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1991)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1850)

Die Pilze Böhmens - Bubák, František, 1866 -1925 (In Commission bei F. ivna, 1908)

Die Pilze (Fungi) von Tirol, Vorarlberg und Liechtenstein - Magnus, P. (Paul), 1844 -1914 (Verlag der Wagner'schen Universitts-Buchh, 1905)

Plain facts for farmers, horticulturists and gardeners - Brown, William H., 1842 - (Acme publishing company, 1894)

Plant life of Alabama. An account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state. Prepared in cooperationwith the Geological Survey of Alabama - Mohr, Charles (Charles Theodore), 1824 -1901 (Govt. Print. Off, 1901)

Plant pest handbook for Connecticut - Britton, Wilton Everett, 1868 -1939 (Connecticut Agricultural Experiment Station, 1933)

Plant pest news - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine, 1981)

Plant-quarantine import restrictions of Algeria - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1953)

Plant-quarantine import restrictions of New Zealand - United States. Office of Experiment Stations. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949)

Plant-quarantine import restrictions of the Colony of Mozambique - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946)

Plant-quarantine import restrictions of the Kingdom of Egypt - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1946)

Plant-quarantine import restrictions of the Kingdom of Egypt - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1937)

Plant-quarantine import restrictions of the Netherlands : importation of woody plants restricted (San Jose scale regulations) - United States. Bureau of Entomology; Plant Quarantine. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950)

Plant-quarantine import restrictions of the Union of Soviet Socialist Republics - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1937)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1969)

Platanaceae through Myricaceae of New York State - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1988)

The Plough, the loom and the anvil - Skinner, John S. (John Stuart), 1788 -1851 (J.S. Skinner, 1848)

The plums of New York - New York (State). Dept. of Agriculture. (J.B. Lyon Company, state printers, 1911)

The plums of New York ... - New York (State). Dept. of Agriculture. (J. B. Lyon company, state printers, 1911)

The plums of New York - New York (State). Dept. of Agriculture. (J.B. Lyon Co., state printers, 1911)

The plums of New York - Hedrick, U. P. (J. B. Lyon Co., State Printers, 1911)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1909)

Popular fruit growing - Green, Samuel Bowdlear, 1859 -1910 (Webb Pub. Co, 1909)

Popular fruit growing - Green, Samuel Bowdlear, 1859 -1910 (Press of Webb publishing co, 1912)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1893)

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The Practical entomologist - American Entomological Society. (Entomological Society of Philadelphia, 1865)

The Practical entomologist - American Entomological Society. (Entomological Society of Philadelphia, 1867)

The Practical entomologist : a monthly bulletin - Entomological Society of Philadelphia (Entomological Society of Philadelphia, 1865)

The Practical entomologist : a monthly bulletin - Entomological Society of Philadelphia (Entomological Society of Philadelphia, 1866)

The Practical entomologist : a monthly bulletin - Entomological Society of Philadelphia (Entomological Society of Philadelphia, 1867)

Practical farming and gardening; or, Money saving methods in farming, gardening, fruit growing, also horse, cattle, sheep, hog and poultry raising ... - MacGerald, Willis, (The S.A. Mullikin Company, 1914)

A practical guide to coco-nut planting - Brown, L. C. (J. Bale, sons & Danielsson, ltd, 1916)

A practical guide to garden plants, containing descriptions of the hardiest and most beautiful annuals and biennials, hardy herbaceous and bulbous perennials, hardy water and bog plants, flowering and ornamental trees and shrubs, conifers; hardy ferns; hardy bamboos and other ornamental grasses. Also the best kinds of fruits and vegetables that may be grown in the open air in the British Isles with full and practical instruction as to culture and propagation - Weathers, John, 1867 -1928 (Longmans, Green, 1901)

Practical zoölogy : an elementary text-book treating of the structure, life, history, and relations of animals - Davison, Alvin, 1868 -1915 (American Book Company, 1906)

Preliminary bulletin on insects of the Cacao - Banks, Charles S. (Bureau of public printing, 1904)

A preliminary bulletin on some economic insects and plant diseases of Indiana - Indiana. State entomologist. (W. B. Burford, contractor for state printing, 1907)

A preliminary list of the Hemiptera of Colorado - Colorado Agricultural Experiment Station (American Standard, 1895)

The principles of applied zoology - Wardle, Robert A. (Robert Arnold), 1890 -1974 (Longmans, Greem, and co, 1929)

The principles of floriculture - White, Edward Albert, 1872 -1943 (The Macmillan company, 1915)

The principles of fruit-growing, with applications to practice - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Company, 1915)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1915)

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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, 1900)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1959)