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, 1917)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1918)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1919)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1923)

Proceedings of the semi-centennial anniversary of the Torrey botanical club, October 18, 19 and 20, 1917 - Torrey Botanical Club. (1918)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1912)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1917)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1911)

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)

Progress in sport fishery research - United States. Bureau of Sport Fisheries; Wildlife. Division of Fishery Research. (U.S. Dept. of the Interior, Bureau of Sport Fisheries and Wildlife, Fish and Wildlife Service, 1969)

Progress report - United States. Entomology Research Division. (1968)

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

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1907)

Properties of tree barks in relation to their agricultural utilization - Bollen, W. B. (Walter Beno), 1896 -1989 (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1969)

The protection of small fruits and berries, 1980-April 1989 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept. of Agriculture, National Agricultural Library, 1989)

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 (1891)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2012)

Public health, chemistry and bacteriology; a handbook for D.P.H. students - McKail, David. (1912)

Public health chemistry and bacteriology: a handbook for D.P.H. [diploma in public health] students - McKail, David. (J. Wright, 1912)

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[Publications on plant pathology from Cornell Agricultural Experiment Station Memoirs, collected by H.S. Jackson.] - Jackson, H. S. (Herbert Spencer), 1883 -1951 (Cornell University], 1915)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1868)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1895)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1922)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1948)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1952)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1955)

The Quarterly review of biology - American Society of Naturalists. (Published by the Stony Brook Foundation, Inc. for the State University of New York at Stony Brook, 1928)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1910)

Radiation biology - Hollaender, Alexander, 1898 - (McGraw-Hill, 1954)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1979)

Readings in evolution, genetics, and eugenics - Newman, Horatio Hackett, 1875 -1957 (University of Chicago Press, 1921)

Readings in evolution, genetics and eugenics - Newman, Horatio Hackett, 1875 -1957 (University of Chicago Press, 1921)

Recent developments in cell physiology - Colston Research Society. (Academic Press, 1954)

Recherches sur la présence et le rôle du bore chez les végétaux - Agulhon, Henri. (L. Barnéoud, 1910)

Recherches sur les phénomènes de la digestion chez les mollusques céphalopodes - Bourquelot, Émile, 1851 -1921 (Typ. A. Hennuyer, 1884)

Recueil d'oeuvres - Errera, Léo Abram, 1858 -1905 (H. Lamertin, 1908)

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

Recueil de l'Institut botanique (Université de Bruxelles) - Institut botanique Léo Errera. (Henri Lamertin, 1900)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1904)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1907)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1910)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1922)

ren yu sheng wu quan lun wen ji - Zhongguo ren yu sheng wu quan guo jia wei yuan hui (zhong guo ren yu sheng wu quan guo jia wei yuan hui, 1987)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1902)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1907)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1911)

Report - Lawes Agricultural Trust Committee (Lawes Agricultural Trust [etc.], 1921)

Report of the Agricultural Research Institute and College, Pusa - Agricultural Research Institute; College (India) (Supt. Govt. Print., India, 1912)

Report of the ... Australasian Association for the Advancement of Science - Australasian Association for the Advancement of Science. (The Association, 1902)

Report of the ... Australasian Association for the Advancement of Science - Australasian Association for the Advancement of Science. (The Association, 1913)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1869)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1903)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1907)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1910)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1922)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1933)

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

Report of the viticultural work - California Agricultural Experiment Station. (J. J. Ayres, Supt. State Print, 1887)