Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1969)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1982)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1984)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 2004)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 2010)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 2012)

Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1870)

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

Proceedings of the Philosophical Society of Glasgow - Philosophical Society of Glasgow.

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1875)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1883)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1884)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1888)

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

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1901)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1902)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1904)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1906)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1911)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1905)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1876)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1880)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1883)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1884)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1871)

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

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

Procès-verbaux - Société Linnéenne de Bordeaux. (1947)

Prodrom der Waldstätter Gefässpflanzen - Rhiner, Joseph, 1830? -1897 (J. Bürgler, 1870)

Prodrome de la flore belge - Wildeman, E. de (Emile), 1866 -1947 (A. Castaigne, 1898)

Prodrome de la flore des environs d'Anvers et d'une partie de la Campine - Société Encyclographique Des Sciences Médicales (1841)

Prodromo della flora toscana, ossia, Catalogo metodico delle piante che nascono salvatiche in Toscana e nelle sue isole, o che vi sono estesamente coltivate, con la indicazione dei luoghi nei quali si trovano, del tempo della loro fioritura e fruttificazione, dei loro nomi volgari ed usi - Caruel, Teodoro, 1830 -1898 (Coi tipi di F. Le Monnier, 1860)

Prodromus der Flora von Böhmen. Enthaltend die Beschreibungen und Verbreitungsangaben der wildwachsenden und im Freien kultivirten Gefässpflanzen des Königreiches ... - Celakovský, Ladislav Josef, 1834 -1902 (Selbstverlag des Comité's, 1867)

Prodromus der isländischen Ornithologie; oder, Geschichte der vögel Islands - Faber, Frederik, 1796 -1828 (Auf Kosten des Verfassers gedruckt bei P.D. Kiöpping, 1822)

Prodromus designationis stirpium gottingensium - Murray, Johann Andreas, 1740 -1791 (Impensis Io. Chr. Dieterich, 1770)

Prodromus einer Flora des Kronlandes Salzburg und dessen angränzenden Ländertheilen ... - Hinterhuber, Julius, 1810 -1880 (Druck der Oberer'schen Buchdr, 1851)

Prodromus florae argentoratensis - Spielmann, Jacob Reinbold, 1722 -1783 (Apud J.G. Bauerum, 1766)

Prodromus florae batavae; nieuwe lijst der Nederlandsche phanerogamen en vaatkryptogamen - Nederlandsche Botanische Vereeniging (F.E. Macdonald, 1901)

Prodromus florae Monasteriensis Westphalorum. Phanerogamia - Bönninghausen, Clemens Maria Franz von, 1785 -1864 (F. Regensberg, 1824)

Prof. dr. Thom©♭'s Flora von Deutschland, ©sterreich und der Schweiz in wort und bild f©ơr schule und haus - Thomé, Otto W. (Otto Wilhelm), 1840 -1925 (F. E. K©œhler, 1886)

Prof. dr. Thomé's Flora von Deutschland, Österreich und der Schweiz, in wort und bild, für schule und haus ... mit ... - Migula, W. (Walter), 1863 -1938 (1905)

Prof. dr. Thomé's Flora von Deutschland, Österreich und der Schweiz, in wort und bild, für schule und haus ... mit ... - Migula, W. (Walter), 1863 -1938 (1910)

Prof. dr. Thomé's Flora von Deutschland, Österreich und der Schweiz, in wort und bild, für schule und haus ... mit ... - Migula, W. (Walter), 1863 -1938 (1913)

Programmatic environmental impact statement on timber management : preliminary draft - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 1973)

Progress of reindeer grazing investigations in Alaska - United States. Department of Agriculture. (U.S. Dept. of Agriculture, 1926)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1914)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1890)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2014)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1973)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1981)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1982)

Publications in zoology = Publications en zoologie - National Museum of Natural Sciences (Canada) (National Museums of Canada, National Museum of Natural Sciences, 1969)

Publications in zoology = Publications en zoologie - National Museum of Natural Sciences (Canada) (National Museums of Canada, National Museum of Natural Sciences, 1975)

Pugillus plantarum imprimis Hispanicarum, quas in itinere 1851-52 - Lange, Johan, 1818 -1898 (B. Luno, 1860)

qi chu sheng tai xue - sun ru yong li qing fen niu cui juan lou an ru (gao deng jiao yu chu ban she, 2002)

Quality and value of important types of peat material : a classification of peat based upon its botanical composition and physical and chemical characteristics - Dachnowski-Stokes, Alfred P. (Alfred Paul), 1875 -1949 (U.S. Dept. of Agriculture, 1919)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1869)