Parasitology (Cambridge University Press, 1922)

Parasitology (Cambridge University Press, 1921)

Pedanii Dioscoridis anazerbei De materia medica libri quinque : ad fidem cadicum manuscriptorum - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Cnobloch, C. (Carl), 1778-1834, 1829)

Pehr Kalms Resa till Norra Amerika - Kalm, Pehr, 1716 -1779 (Tidnings & tryckeri-aktiebolagets tryckeri, 1904)

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

Petites nouvelles entomologiques (E. Deyrolle, 1869)

Die Petrefactenkunde auf ihrem jetzigen Standpunkte durch die Beschreibung seiner Sammlung versteinerter und fossiler Überreste des Thier-und pflanzenreichs der Vorwelt erläutert - Schlotheim, E. F. Freiherr von, (Ernst Friedrich), 1764 -1832 (1820)

Petri Andreae Matthioli ... Commentarii secvndo avcti, in libros sex Pedacii Dioscoridis Anazarbei, de medica materia : adiectis quamplurimis plantarum, & animalium imaginibus, quæ in priore editione non habentur, eodem auctore. His accessit eivsdem Apologia adversvs Amathum Lusitanum - Mattioli, Pietro Andrea, 1501 -1577 (in officina Valgrisiani, 1560)

Petri Andreae Matthioli ... Opera quae extant omnia, hoc est, Commentarii in VI. libros Pedacii Dioscoridis Anazarbei De medica materia : ... Adiectis in margine variis Graeci textus lectionibus, ex antiquissimus codicibus desumptis, qui Dioscorides depravatam lectionem restituunt - Bauhin, Caspar, 1560 -1624 (Ex officina typographica Nicolai Bassaei], 1598)

Petri Andreæ Matthioli Senensis, medici caesari, et serenissimi principiis Ferdinandi archidvcis Avstriae &c. Commentarij in VI. libros Pedacij Dioscoridis Anazarbei de medica materia, ab ipso avtore recogniti, et locis plvs mille avcti. Adjectis magnis, ac nouis plantarum, ac animalium iconibus ... Accesserunt ad margines Græci contextus ... qui Dioscoridis ipsius deprauatam lectionem restituunt. Cum locupletissimis indicibus - Mattioli, Pietro Andrea, 1501 -1577 (apud Felicem Valgrisium, 1583)

Petri Andreæ Matthioli Senensis medici, Commentarii in sex libros Pedacii Dioscoridis Anazarbei De medica materia - Mattioli, Pietro Andrea, 1501 -1577 (Ex Officina Valgrisiana, 1565)

Petri Andreae Matthioli Senensis serenissimi Principis Ferdinandi Archiducis Austriae & c., Medici, Commentarii secundo aucti : in libros sex Pedacii Dioscoridis Anazarbei de medica materia. Adiectis quàm plurimis plantarum, & animalium imaginibus quae in priore editione non habentur, eodem authore : his accessit eiusdem apologia adversus Amathum Lusitanum cum censura in eiusdem enarrationes - Dioscorides Pedanius, of Anazarbos. (Ex officina Erasmiana, Vincentij Valgrifij, 1558)

Petri Matthioli ... Opera quae extant òmnia, hoc est, Commentarii in VI. libros Pedacii Dioscoridis Anazarbei De medica materia : adjectis in margine variis Graeci testus lectionibus, ex antiquissimis codicibus desumptis, qui Dioscorides depravatam lectionem restituunt - Bauhin, Caspar, 1560 -1624 (Sumptibus Joannis König, 1674)

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)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1916)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1878)

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

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1877)

Pharmakognosie :ein Lehr- und Handbuch für Studierende, Apotheker, Drogisten, Sanitätsbeamte und Aerzte - Vogl, A. E. (August Emil), 1833 -1909 (C. Gerold's Sohn, 1892)

Phasmid studies - Phasmid Study Group. (Phasmid Study Group, 2007)

Philippi Conradi Fabricii ... Commentatio historico-physico-medica de animalibus quadrupedibus, avibus, amphibiis, piscibus et insectis Wetteraviae indigenis - Fabricius, Philipp Conrad, 1714 -1774 (Schnorrius, 1749)

The Philosophical magazine : or Annals of chemistry, mathematics, astronomy, natural history and general science (Richard Taylor and Co, 1830)

The Philosophical transactions of the Royal society of London, from their commencement in 1665, in the year 1800 - Royal Society (Great Britain) (Printed by and for C. and R. Baldwin, 1809)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1690)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1700)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1702)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1706)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1710)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1747)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1837)

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

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1874)

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)

Physica sacra - Scheuchzer, Johann Jakob, 1672 -1733 (Christian Ulrich Wagner], 1731)

Physiological regulations - Adolph, Edward F. (Edward Frederick), 1895 -1986 (The Jacques Cattell Press, 1943)

Physiologische Chemie - Hoppe-Seyler, Felix, 1825 -1895 (A. Hirschwald, 1877)

The physiology of insect senses - Dethier, V. G. (Vincent Gaston), 1915 - (Methuen, 1963)

The physiology of the Invertebrata - Griffiths, A. B. (Arthur Bower), 1859 - (D. Appleton and Company, 1892)

The physiology of the invertebrata - Griffiths, A. B. (Arthur Bower), 1859 - (L. Reeve, 1892)

Physiotypia plantarum Austriacarum : die Gefässpflanzen Österrichs in Naturselbstdruck mit besonderer Berücksichtigung der Nervation in den Flächenorganen der Pflanzen - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (F. Tempsky in Prag, 1873)

Phytoneuron (Guy L. Nesom, 2013)

The pictorial museum of animated nature ... - Knight, Charles, 1791 -1873 (C. Knight, 1844)

The pictorial museum of animated nature - Knight, Charles, 1791 -1873 (C. Cox, 1844)

Plants of possible insecticidal value : a review of the literature up to 1941 - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945)

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

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1885)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1891)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1899)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1872)

Popular Science Review (1880)

Popular Scripture zoology, containing a familiar history of the animals mentioned in the Bible - Catlow, Maria E. (Reeve, 1852)

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

Praktische Naturgeschichte der Vögel, für Gebildete aller Stände - Reichenbach, A. B. (Anton Benedikt), 1807 -1880 (1850)

Primæ Lineæ cognitionis insectorum - Schluga, Johann Baptist. (Impensis Joannis Pauli Kraus, 1767)

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)

The principles of biology - Spencer, Herbert, 1820 -1903 (D. Appleton, 1897)

Principles of zoölogy : a guide for beginners - Schiedt, Richard Francis Conrad, 1859 -1951 (Examiner Printing House, 1892)

Problems of relative growth - Huxley, Julian, 1887 -1975 (L. MacVeagh, The Dial Press, 1932)

Proceedings - Essex Institute. (1856)

Proceedings - Dorset Natural History; Archaeological Society.

Proceedings (and Annual Report) of the Holmesdale Natural History Club, Reigate - Holmesdale Natural History Club. (1865)

Proceedings and Report of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1929)

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 Natural History Society of Glasgow - Natural History Society of Glasgow. (The Society, 1883)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1950)

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 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, 1878)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1879)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1885)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1901)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1903)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1906)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1907)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1909)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1910)

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, 1914)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1916)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1918)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1920)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1921)