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

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)

Pharmacographia : a history of the principal drugs of vegetable origin, met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan, 1874)

Phasmid studies - Phasmid Study Group. (Phasmid Study Group, 2001)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1976)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1977)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1978)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1979)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1981)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1984)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1998)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2000)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2001)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2003)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2011)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2012)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1922)

Philosophical transactions. Series A: Mathematical and physical sciences - Royal Society (Great Britain) (1887)

The philosophy of zoology; or, A general view of the structure, functions, and classification of animals - Fleming, John, 1785 -1857 (A. Constable, 1822)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1921)

Pilot test results of Sevin, Phosphamidon, and DDT on the western hemlock looper : Lambdina fiscellaria lugubrosa Hulst, in southwest Washington in 1963 - United States. Forest Service. (Insect and Disease Control Branch, Division of Timber Management, Pacific Northwest Region, U.S.D.A. Forest Service, 1964)

Pinacographia : illustrations of more than 1,000 species of north-west-European Icheumonide, sensu Linnaeano = Afbeeldingen van meer dan 1,000 soorten noord-west-Europeesche sluipwespen (ichneumones sensu Linnaeano) - Snellen van Vollenhoven, S. C. (Samuel Constant), 1816 -1880 (Martinus Nijhoff, 1880)

Pinacographia. Illustrations of more than 1,000 species of north-west-European Ichneumonide, sensu Linnaeano. Afbeeldingen van meer dan 1,000 soorten noord-west-europeesche sluipwespen (ichneumones sensu Linnaeano) - Snellen van Vollenhoven, S. C. (Samuel Constant), 1816 -1880 (M. Nijhoff, 1880)

The pine moth of Nantucket, Retinia frustrana - Scudder, Samuel Hubbard, 1837 -1911 (A. Williams, 1883)

The pinetum Britannicum : a descriptive account of hardy coniferous trees cultivated in Great Britain - Ravenscroft, Edward, 1816 -1890 (W. Blackwood & Sons, 1884)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1960)

Polskie pismo entomologiczne = Polish journal of entomology = Bulletin entomologique de Pologne - Polski Zwiazek Entomologiczny (Panstwowe Wydawn. Naukowe, 1923)

Polskie pismo entomologiczne = Polish journal of entomology = Bulletin entomologique de Pologne - Polski Zwiazek Entomologiczny (Panstwowe Wydawn. Naukowe, 1924)

Die Pompiliden-gattung Pepsis - Lucas, Robert, 1864 - ([C. Fromholz], 1895)

Popular British entomology; containing a familiar and technical description of the insects most common to the localities of the British Isles - Catlow, Maria E. (Reeve and Co, 1852)

The popular natural history - Wood, J. G. (John George), 1827 -1889 (Burt Co, 1884)

Popular natural history - Wood, J. G. (John George), 1827 -1889 (Porter & Coates, 1885)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1890)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1911)

Potato leaf roll and its insect vectors in the Edmonton District - University of Alberta. Dept. of Entomology. ([University of Alberta], 1945)

PPQ foreign-site technical packet for New Zealand - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (PPQ, APHIS, USDA,], 1985)

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

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

Preliminary draft, Josephine timber management environmental statement - United States. Bureau of Land Management. Oregon State Office. (U.S. Department of the Interior, Bureau of Land Management, Oregon State Office, 1977)

Principles of animal ecology - Allee, W. C. (Warder Clyde), 1885 -1955 (Saunders Co, 1949)

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

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W. B. Saunders, 1917)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W.B. Saunders, 1912)

Principles of soil microbiology - Waksman, Selman A. (Selman Abraham), 1888 -1973 (Williams & Wilkins, 1927)

Proceedings - Northern Crop Science Laboratory (U.S.) (USDA, ARS, Northern Crop Science Laboratory)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1969)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1970)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1972)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1976)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1978)