Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1909)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1911)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1913)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1914)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1916)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1917)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1918)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1921)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1922)

Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1880)

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1891)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1891)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1888)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1856)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1911)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1909)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1917)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1922)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1927)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1892)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1896)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1899)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1906)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1921)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1945)

Proceedings of the San Diego Society of Natural History - San Diego Society of Natural History. (San Diego Society of Natural History, 1992)

Proceedings of the Scientific Association of Trinidad - Scientific Association of Trinidad. (1864)

Proceedings of the Scientific Association of Trinidad - Scientific Association of Trinidad. (1872)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1913)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1916)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1891)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1893)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1894)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1897)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1906)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1910)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1927)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1966)

Proceedings of the Victoria Institute of Trinidad - Victoria Institute (Port of Spain, Trinidad; Tobago) (1895)

Proceedings of the Zoological and Acclimatisation Society of Victoria, and report of the annual meeting of the society - Zoological; Acclimatisation Society of Victoria. (F. A. Masterman, 1872)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1841)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1847)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1850)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1856)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1858)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1860)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1863)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1865)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1868)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1879)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1886)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1901)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1919)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1848)

Procès-verbaux - Société Linnéenne de Bordeaux. (1895)

Procès-verbaux - Société Linnéenne de Bordeaux. (1905)

Procès-verbaux - Société Linnéenne de Bordeaux. (1923)

Procès-verbaux - Société Linnéenne de Bordeaux. (1933)

Procès-verbaux - Société Linnéenne de Bordeaux. (1937)

Procès-verbaux - Société Linnéenne de Bordeaux. (1938)

Proces-Verbaux de la Societe d'Histoire Naturelle de l'Ile Maurice - Société d'histoire naturelle de l'îIe Maurice. (1842)

Prodrome de paléontologie stratigraphique universelle des animaux mollusques & rayonnés, faisant suite au Cours élémentaire de paléontologie et de géologie stratigraphiques - Orbigny, Alcide Dessalines d', 1802 -1857 (V. Masson, 1849)

Prodromo della storia naturale generale e comparata d'Italia ... - Marmocchi, Francesco Constantino, 1805 -1858 (Società editrice fiorentina, 1844)

Prodromus faunae mediterraneae, sive Descriptio animalium maris Mediterranei incolarum, quam comparata silva rerum quatenus innotuit, adiectis locis et nominibus vulgaribus eorumque auctoribus - Carus, Julius Victor, 1823 -1903 (E. Schweizerbart, 1889)

Prodromus florae Hispanicae :seu Synopsis methodica omnium plantarum in Hispania, sponte nascentium vel frequentius cultarum quae innotuerunt - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1870)

Prodromus florae hispanicae, seu synopsis methodica omnium plantarum in Hispania - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1870)

Prodromus florae Hispanicae :seu Synopsis methodica omnium plantarum in Hispania, sponte nascentium vel frequentius cultarum quae innotuerunt - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1880)

Prodromus florae hispanicae, seu synopsis methodica omnium plantarum in Hispania - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1880)

Prodromus in systema historicum testaceorum - Spalowsky, Joachim Johann Nepomuk, 1752 -1797 (Gedruckt bey Ignaz Alberti's Wittwe, 1795)

Progress report on pesticides and related activities - United States. Department of Agriculture. (1967)

Promtuarium rerum naturalium et artificialium Vratislaviense : praecipue quas collegit D.Io. Christianus Kundmann, medicus vratislaviensis - Kundmann, Johann Christian, 1684 -1751 (Apud Michaelem Hubertum, 1726)

The Prosobranchia of the Siboga Expedition - Schepman, M. M. (Mattheus Marinus), 1847 -1919 (E. J. Brill, 1911)

The Prosobranchia of the Siboga Expedition - Schepman, M. M. (Mattheus Marinus), 1847 -1919 (E. J. Brill, 1913)

Protected Areas of the World: a review of national systems. Vol 4: Nearctic and Neotropical (1992)

Protozoa - Schwager, Conrad. (C.F. Winter, 1887)