Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1884)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1886)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1890)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1891)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1914)

[Pamphlets on agriculture in Guam] (s.n, 1905)

Pamphlets on forestry in California (1900)

Panamic Province molluscan literature : additions and changes from ... - Skoglund, Carol (San Diego Shell Club, 2001)

Die Papageien - Finsch, O. (Otto), 1839 -1917 (Brill, 1867)

Die Papageien - Finsch, O. (Otto), 1839 -1917 (Brill, 1868)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1952)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1875)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1863)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1886)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1888)

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

[Papers : collection of nine pamphlets and journal articles on paleontology - Winchell, Alexander, 1824 -1891 (1862)

Papers on Mollusca of Japan - Pilsbry, Henry Augustus, 1862 -1957 (1901)

Part I. Palæontology - Hall, James, 1811 -1898 (Govt. print. off, 1877)

The Pelecypoda of the Miocene of Maryland - Glenn, Leonidas Chalmers, 1871 - (1904)

Pélécypodes du montien de Belgique - Cossmann, M. (Maurice), 1850 -1924 (Imprimerie Polleunis & Ceuterick, Dreesen & DeSmet, successeurs, 1908)

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

Die Perlmuscheln und ihre Perlen. Naturwissenschaftlich und geschichtlich mit Berücksichtigung der Perlengewässer Bayerns - Hessling, Theodor von, 1816 -1899 (W. Engelmann, 1859)

Personal narrative of travels to the equinoctial regions of the New Continent, during the years 1799-1804, by Alexander de Humboldt, and Aimé Bonpland - Humboldt, Alexander von, 1769 -1859 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1826)

Petrefacta Musei Universitatis regiae. Repertorium zu Goldfuss' Petrefakten Deutschlands; ein Verzeichniss aller Synonymen und literarischen Nachweise zu den von Goldfuss abgebildeten Arten - Giebel, C. (Christoph), 1820 -1881 (List & Francke, 1866)

Petrefacten-Buch oder allgemeine und besondere Versteinerungskunde : mit Berücksichtigung der Lagerungsverhältnisse, besonders in Deutschland - Schmidt, F. A. (Hoffmann'sche Verlags-Buchhandlung, 1846)

Petrefactenbuch, oder allgemeine und besondere Versteinerungskunde mit Berücksichtigung der Lagerungs-Verhältnisse, besonders in Deutschland - Schmidt, F. A. (Krais & Hoffmann, 1855)

Petrefactenkunde Deutschlands - Quenstedt, Fr. Aug. von (Friedrich August), 1809 -1889 (L.F. Fues, 1846)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1902)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1907)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1910)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1912)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1900)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1931)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1934)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1936)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1937)

Die Pflanzenstoffe, botanisch-systematisch bearbeitet ; chemische Bestandteile und Zusammensetzung der einzelnen Pflanzenarten, Rohstoffe und Produkte. Phanerogamen - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1911)

Die Pflanzenwelt der peruanischen Anden in ihren Grundzügen dargestellt - Weberbauer, A. (August), 1871 -1948 (W. Engelmann, 1911)

Pharmazeutische Waarenkunde - Berg, O. C. (Otto Carl), 1815 -1866 (R. Gaertner, 1863)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1911)

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

Philosophiae natvralis sive Physicae dogmaticae tomvs I[-IV] continens ... continvationem systematis philosophici Christiani L.B. de Wolff - Hanov, M. C. (Michael Christoph), 1695 -1773 (Prostat in officina libraria rengeriana, 1762)

The Philosophical magazine and journal : comprehending various branches of science, the liberal and fine arts, agriculture, manufactures, and commerce (R. Taylor, 1818)

The Philosophical magazine and journal : comprehending various branches of science, the liberal and fine arts, agriculture, manufactures, and commerce (R. Taylor, 1822)

The Philosophical magazine : comprehending the various branches of science, the liberal and fine arts, geology, agriculture, manufactures and commerce (Richard Taylor and Co, 1802)

The Philosophical magazine : comprehending the various branches of science, the liberal and fine arts, geology, agriculture, manufactures and commerce (Richard Taylor and Co, 1803)

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

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1781)

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

Phylogeny of the Pelecypoda : the Aviculidae and their allies - Jackson, Robert Tracy, 1861 -1948 (Boston Society of Natural History, 1890)

The physical geology and geography of Great Britain : a manual of British geology - Woodward, Horace B. (Horace Bolingbroke), 1848 -1914 (E. Stanford, 1878)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1915)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1970)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1982)

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

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