Pharmacopoea germanica :deutscher der lateinischen Ausgabe zu Grunde liegender Entwurf (Deutsche Ausgabe) - Germany. Reichsamt des Innern. (R. von Decker's Verlag, 1882)

Photosynthesis and related processes - Rabinowitch, Eugene, 1901 - (Interscience Publishers, inc, 1945)

Physiographie der Medicinal-Pflanzen : nebst einem Clavis zur Bestimmung der Pflanzen mit besonderer Berücksichtigung der Nervation der Blätter - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (W. Braumüller, 1862)

Physiologie des Stoffwechsels in Pflanzen und Thieren. Ein Handbuch für Naturforscher, Landwirthe und Aerzte - Moleschott, Jacob, 1822 -1893 (F. Enke, 1851)

The physiology of plants. a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon Press, 1900)

The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1900)

Phytochemie - Rochleder, Friedrich, 1819 -1874 (W. Engelmann, 1854)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

Le piante fanerogame della Svissera insubrica : enumerate seconde il metodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

Le piante fanerogame della Svizzera insubrica : enumerate secondo il methodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

Die pilze in morphologischer, physiologischer, biologischer und systematischer beziehung - Zopf, W. (Wilhelm), 1846 -1909 (E. Trewendt, 1890)

Plant analysis : qualitative and quantitative - Dragendorff, G. (Georg), 1836 -1898 (Baillière, Tindall and Cox, 1884)

Plant analysis : qualitative and quantitative - Dragendorff, G. (Georg), 1836 -1898 (Baillière, Tindall, 1884)

Plant biomass in the Tanana River basin, Alaska - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1995)

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

Plant-geography upon a physiological basis - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1903)

Plant-life - Hall, Charles A. (Charles Albert), 1872 -1965 (A. & C. Black, 1915)

Plant-life - Hall, Charles A. (Charles Albert), 1872 -1965 (Black, 1915)

Plant-life : popular papers on the phenomena of botany - Step, Edward, 1855 -1931 (H. Holt, 1883)

Plant lists : Mount Katahdin - Fernald, Merritt Lyndon, 1873 -1950 (1892)

Plant sociology; the study of plant communities - Braun-Blanquet, J. (Josias), 1884 -1980 (McGraw-Hill book company, inc, 1932)

The Plant world - Plant World Association. (Plant World Association [etc.], 1906)

The Plant world - Plant World Association. (Plant World Association [etc.], 1907)

The Plant world - Plant World Association. (Plant World Association [etc.], 1911)

The Plant world - Plant World Association. (Plant World Association [etc.], 1914)

Plantae diaphoricae florae Argentinae, ó, Revista sistemática de las plantas medicinales, alimenticias ó de alguna otra utilidad y de las venenosas, que son indígenas de la República Argentina ó que, originarias de otros países se cultivan ó se crian éspontáneamente en ella - Hieronymus, G. (Georg), 1846 -1921 (G. Kraft, 1882)

Plantae utiliores ; or illustrations of useful plants, employed in the arts and medicine - Burnett, Gilbert T. (Gilbert Thomas), 1800 -1835 (Whittaker, 1840)

Plantas Romaniae hucusque cognitas - Kanitz, Ágost, 1843 -1896 (Apud E. Demjén, 1879)

Les plantes médicinales - Losch, Friedrich. (Vigot Frères, 1906)

Les plantes - Faideau, Ferdinand, 1862 -1930? (Larousse, 1922)

Plantevæxten paa Færøerne : med sæerlig hensyntagen til blomsterplanterne - Ostenfeld, C. H. (Carl Hansen), 1873 -1931 (Gyldendal, 1906)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1951)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1973)

Plants and their uses; an introduction to botany - Sargent, Frederick Leroy, 1863 -1928 (H. Holt and company, 1913)

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)

Die Pljesivica und ihr Verbindungszug mit dem Velebit in botanischer Hinsicht. A Pljesvica s a Velebittel összekötö hegyvonulat botan. viszonyai - Rossi, Ljudevit, 1850 - (Pallas Irodalmi és Nyomdai Részvénytársaság, 1913)

Poatkowé rostlinoslowí - Presl, Jan Svatopluk, 1791 -1849 (W kommissí u Kronbergra a iwnáe, 1848)

Popular botany; the living plant from seed to fruit - Step, Edward, 1855 -1931 (H. Holt and company, 1913)

Populäre Botanik oder gemeinfassliche Anleitung zum Studium der Pflanze und des Pflanzenreiches. Zugleich ein Handbuch zum Bestimmen der Pflanzen auf Excursionen - Schmidlin, Eduard, 1808? -1890 (Krais & Hoffmann, 1857)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1884)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1901)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1911)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1911)

A practical course in botany : with especial reference to its bearings on agriculture, economics, and sanitation - Lloyd, Francis Ernest, 1868 -1947 (American Book Company, 1911)

A practical course in botany, with especial reference to its bearings on agriculture, economics, and sanitation - Lloyd, Francis Ernest, 1868 -1947 (American book company, 1911)

Practical physiological chemistry : a book designed for use in courses in practical physiological chemistry in schools of medicine and of science - Hawk, Philip B. (Philip Bovier), 1874 - (P. Blakiston's Son, 1909)

Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science - Hawk, Philip B. (Philip Bovier), 1874 - (P. Blakiston's Son & Co, 1916)

Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science - Hawk, Philip B. (Philip Bovier), 1874 - (P. Blakiston's Son and Co, 1921)

Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science - Hawk, Philip B. (Philip Bovier), 1874 - (P. Blakiston's son & co, 1909)

Practical physiological chemistry : a book designed for use in courses in practical physiological chemistry in schools of medicine and of science - Hawk, Philip B. (Philip Bovier), 1874 - (Blakiston, 1907)

Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science - Hawk, Philip B. (Philip Bovier), 1874 - (P. Blakiston, 1912)

Practical physiological chemistry : a book designed for use in courses in practical physiological chemistry in schools of medicine and of science - Hawk, Philip B. (Philip Bovier), 1874 - (P. Blakiston's Son, 1918)

Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science - Hawk, Philip B. (Philip Bovier), 1874 - (P. Blakiston's son & co, 1916)

Primitiae florae costaricensis - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état, 1891)

The principles of botany, structural, functional and systematic, condensed and immediately adapted to the use of students of medicine - Willshire, William Hughes 1816 -1899 (Hightley, 1840)

The principles of pharmacognosy :an introduction to the study of the crude substances of the vegetable kingdom - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (W. Wood & company, 1887)

Principles of scientific botany, or, Botany as an inductive science - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Longman, Brown, Green, and Longmans, 1849)

Principles of scientific botany, or, Botany as an inductive science - Lankester, Edwin, 1814 -1874 (Printed for Longman, Brown, Green, and Longmans, 1849)

Principles of the anatomy and physiology of the vegetable cell - Mohl, Hugo von, 1805 -1872 (John Van Voorst, 1852)

Principles of the anatomy and physiology of the vegetable cell - Mohl, Hugo von, 1805 -1872 (J. Van Voorst, 1852)

Proceedings - Cambridge Philosophical Society Mathematical and physical sciences - Cambridge Philosophical Society. (Cambridge Philosophical Society [etc.], 1883)

Proceedings - Cambridge Philosophical Society Mathematical and physical sciences - Cambridge Philosophical Society. (Cambridge Philosophical Society [etc.], 1910)

Proceedings, land classifications based on vegetation : applications for resource management : Moscow, ID, November 17-19, 1987 - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1989)

Proceedings of the Florida Academy of Sciences - Florida Academy of Sciences. (Rose Printing Co., etc, 1936)

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, 2010)

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

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1907)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1917)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1931)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1924)

Proceedings of the Thoreau Museum of Natural History, Middlesex School, Concord, Massachusetts - Thoreau Museum Of Natural History (Middlesex School (Concord, Mass.)) (The School], 1910)

Proceedings of the Thoreau Museum of Natural History, Middlesex School, Concord, Massachusetts - Thoreau Museum Of Natural History (Middlesex School (Concord, Mass.)) (The School], 1915)

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

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 (1929)

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

Progress of reindeer grazing investigations in Alaska - Palmer, L. J. (Govt. print. off, 1926)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1909)

Protected Landscapes: experience around the world. Prepared for the International Symposium on Protected Landscapes, Grange-over-Sands, England 5-10 October 1987 (1987)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1977)

Die qualitative und quantitative Analyse von Pflanzen und Pflanzentheilen - Dragendorff, G. (Georg), 1836 -1898 (Vandenhoeck & Ruprecht, 1882)

Rad - Jugoslavenska akademija znanosti i umjetnosti. Razred za prirodne nauke. (Jugoslavenska akademija znanosti i umjetnosti, 1876)

Répertoire des plantes utiles et des plantes vénéneuses du globe contenant la synonymie latine et française des plantes, leurs noms vulgaires français et l'indication de leurs usages ... précédé d'un traité indispensable aux personnes qui veulent herboriser, et composer des herbiers - Duchesne, E. A. (Edouard Adolphe), 1804 -1869 (J. Renouard, 1836)

Recovery of lichen in tussock tundra following fire in northwestern Alaska - Jandt, R. R. (Randi R.) (U.S. Department of the Interior, Bureau of Land Management, Alaska State Office, 2000)

Recueil de l'Institut botanique (Université de Bruxelles) - Institut botanique Léo Errera. (Henri Lamertin, 1902)

The reformed botanic and Indian physician :a complete guide to health - Smith, Daniel (Curtiss & White, 1855)

Reindeer in Alaska - Hadwen, Seymour, 1877 -1947 (U.S. Dept. of Agriculture, 1922)

Reisen nach dem Nordpolarmeer in den Jahren 1870 und 1871 - Heuglin, Theodor von, 1824 -1876 (G. Westermann, 1874)

Reisen und Forschungen im Amur-Lande in den Jahren 1854-1856 - Schrenck, Leopold von, 1826 -1894 (Commissionäre der K. Akademie der Wissenschaften, 1891)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1929)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1868)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1831)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1936)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1913)

Report of the Commissioner of Patents for the year 1855 Agriculture - United States. Patent Office. (C. Wendell, 1856)

Report of the Commissioner of Patents for the year 1859 : agriculture (George Bowman, printer, 1860)

Report of the second Norwegian Arctic Expedition in the "Fram", 1898-1902. Published by Videnskabs-selskabet i Kristiania, at the expense of the Fridjof Nansen Fund for the Advancement of Science - Norske videnskaps-akademi i Oslo. (T.O. Brøgger, 1907)

Report of the Second Norwegian Arctic Expedition in the "Fram," 1898-1902 - Norske videnskaps-akademi i Oslo. (In commission by T.O. Brøgger, 1907)

Report of the Second Norwegian Arctic Expedition in the "Fram," 1898-1902 - Norske videnskaps-akademi i Oslo. (In commission by T.O. Brøgger, 1911)

Report of the Second Norwegian Arctic expedition in the "Fram" 1898-1902 ... - Norske videnskaps-akademi i Oslo. (In commission by T. O. Brøgger, 1911)