Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

Pamphlets on silviculture (1899)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1958)

A paper on the nomenclature of the parts of the head of insects - Newman, Edward, 1801 -1876 (Printed for the author, by R. Clay, 1834)

Papers and proceedings of the Royal Society of Van Diemen's Land - Royal Society of Tasmania (Royal Society of Van Diemen's Land, 1855)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1901)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1913)

Parks : a manual of municipal and county parks compiled as a result of a nation-wide study of municipal and county parks conducted by the Playground and Recreation Association of America, in co-operation with the American Institute of Park Executives at the request of the National Conference on Outdoor Recreation - American Institute of Park Executives. (A.S. Barnes & Co, 1928)

Pauli Iouii Nouocomensis Medici De Romanis piscibus libellus ad Ludouicum Borbonium Cardinalem amplissimum - Giovio, Paolo, 1483 -1552 (In aedibus F. Minitii Calui, 1524)

Pavli Iovii Novocomensis medici De Romanis piscibvs libellvs ad Lvdovicvm Borbonivm cardinalem amplissimvm - Giovio, Paolo, 1483 -1552 (1524)

The Pennsylvania farm journal (A.M. Spangler, 1851)

Pennsylvania farm journal - Darlington, J. L. (A.M. Spangler, 1854)

Pennsylvania farm journal - Darlington, J. L. (A.M. Spangler, 1855)

The people's farm and stock cyclopedia : embracing comprehensive and practical treatises on farm topics of every description including farm management ... with numerous appendixes invaluable for reference in all departments of agricultural life - Brown, Waldo F. (Waldo Franklin), 1832 - (Jones Brothers & Co, 1884)

Perch lake mounds, with notes on other New York mounds, and some accounts of Indian trails - Beauchamp, William Martin, 1830 -1925 (New York State Education Department, 1905)

Periculum entomologicum - Thunberg, Carl Peter, 1743 -1828 (Litteris director. Joh. Edman, 1789)

Persio - Stelluti, Francesco, 1577 -1653 (Appresso Giacomo Mascardi, 1630)

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

The pests of the farm; being an account of the various depredating animals, birds, and insects which annoy the American farmer. With directions for their destruction. With illustrations on wood (A.O. Moore, 1852)

The pests of the farm; being an account of the various depredating animals, birds, and insects which annoy the American farmer - Richardson, H. D. (C. M. Saxton, 1852)

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)

Die Pflanzenwelt Norwegens. Ein Beitrag zur Natur- und Culturgeschichte Nord-Europas - Schübeler, F. C. (Frederik Christian), 1815 -1892 (A.W. Brögger, 1873)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1918)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1880)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1982)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2006)

Pheromones of the Sesiidae (formerly Aegeriidae) : proceedings of a symposium, presented at the Entomological Society of America national meeting, Houston, Tex - United States. Science; Education Administration. Agricultural Research. Northeastern Region. (Agricultural Research (Northeastern Region), Science and Education Administration, U.S. Dept. of Agriculture, 1979)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1859)

The philosophy of zoology, or, A general view of the structure, functions, and classification of animals - Fleming, John, 1785 -1857 (Hurst, Robinson & Co, 1822)

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

Physis : receuil d'histoire naturelle / par m. James Thomson ... - Thomson, James Livingston, 1828 -1897 (Au bureau du trésorier de la Société entomologique de France, 1867)

Physis : receuil d'histoire naturelle / par m. James Thomson ... - Thomson, James Livingston, 1828 -1897 (Au bureau du trésorier de la Société entomologique de France, 1868)

Phytopathologie. Die krankheiten der culturgewächse. Für land- und forstwirthe, gärtner und botaniker - Hallier, Ernst, 1831 -1904 (W. Engelmann, 1868)

P.J. Berckmans Co., Incorporated - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1913)

The plant community - Churchill, Ethan D. (Reinhold Pub. Corp, 1961)

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

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)

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

Der Plauische Grund bei Dresden : mit Hinsicht auf Naturgeschichte und schöne Gartenkunst - Darnstedt, Johann Adolph, 1769 -1844 (In der Frauenholzischen Kunsthandlung, 1799)

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

The Plough, the loom, and the anvil (J.S. Skinner & Son], 1848)

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

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1888)

Popular gardening for town and country (Popular Gardening Pub. Co, 1888)

Popular natural history : a description of animal life, from the lowest forms up to man - Kingsley, J. S. (John Sterling), 1854 -1929 (Estes & Lauriat, 1890)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1873)

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, 1866)

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

The practical fruit grower - Maynard, Samuel T. (Samuel Taylor), 1844 -1923? (Phelps Pub. Co, 1886)

Précis des caractères gérériques des insectes, disposés dans un ordre naturel - Latreille, P. A. (Pierre André), 1762 -1833 (F. Bourdeaux, 1796)

Précis des caractères génériques des insectes, disposés dans un ordre naturel - Latreille, P. A. (Pierre André), 1762 -1833 (Prèvôt; [etc., etc, 1796)

A preliminary list of the insects of the Province of Quebec part III : Coleoptera - Chagnon, Gustave, 1871 -1966 (s.n.], 1917)

Primae lineae systematis naturæ : nexui naturali omnium evolutionique progressivae per nixus reascendentes superstructi - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis Karoli Krajanis, 1834)

The primaeval world of Switzerland - Heer, Oswald, 1809 -1883 (Longmans, Green, 1876)

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)

The principles of plant culture; a text for beginners in agriculture and horticulture - Jones, L. R. (Lewis Ralph), 1864 -1945 (Macmillan, 1916)

Principles of plant culture; an elementary treatise designed as a text-book for beginners in agriculture and horticulture - Goff, E. S. (Emmett Stull), 1852 -1902 (The Author, 1899)

Principles of plant culture; an elementary treatise designed as a text-book for beginners in agriculture and horticulture - Goff, E. S. (Emmett Stull), 1852 -1902 (University Co-operative Co, 1906)

The problems of applied entomology - Wardle, Robert A. (Robert Arnold), 1890 -1974 (Manchester university press, 1929)

Proceedings. - Entomological Society of Ontario. (1887)

Proceedings - Entomological Society of Canada (1863-1871) (Entomological Society of Ontario, 1900)

Proceedings - Entomological Society of Canada (1863-1871) (Entomological Society of Ontario, 1895)

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Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1980)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1935)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1943)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1947)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1953)

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

Proceedings, Fifth Forest Insect and Disease Control Work Conference, Atlanta Cabana Motor Hotel, Atlanta, Georgia, February 17-19, 1970 - United States. Forest Service. (U.S. Forest Service, 1970)

Proceedings of a Convention of Fruit Growers of the Dominion of Canada held at Ottawa on the 19th, 20th and 21st February, 1890 (B. Chamberlin, 1890)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1852)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1861)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1862)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1873)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)