Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1875)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1891)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1908)

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

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1853)

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, 1956)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1960)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1961)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1969)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1970)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1972)

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

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

Recherches sur le cycle évolutif et la sexualité chez les Basidiomycétes - Bensaude, Mathilde. (H. Bouloy, 1918)

Recombinant DNA research : documents relating to "NIH guidelines for research involving recombinant DNA molecules" - National Institutes of Health (U.S.). Office of the Director. (U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, 1976)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1890)

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

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

Reflections on the phenomenon of rejuvenescence in nature, especially in the life and development of plants - Braun, Alexander, 1805 -1877 (1851)

Die Reizbewegungen der Pflanzen - Pringsheim, Ernst G. (Ernst Georg), 1881 - (J. Springer, 1912)

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

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1899)

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. (1914)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1924)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1927)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1929)

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. (1935)

Report of the Director to the Board of Trustees for the year ... - Chicago Natural History Museum. (The Museum, 1960)

Report of the scientific results of the voyage of S.Y. "Scotia" during the years 1902, 1903, and 1904, under the leadership of William S. Bruce - Bruce, William S. 1867 -1921 (The Scottish oceanographical laboratory, 1907)

Report on the scientific results of the voyage of S.Y. "Scotia" during the years 1902, 1903 and 1904, under the leadership of William S. Bruce - Bruce, William S. 1867 -1921 (Scottish Oceanographical Laboratory, 1912)

Reproduction des cryptogames - Rietsch, Maximilien. (G. Baillière, 1882)

Research in photosynthesis; papers and discussions presented at the Gatlinburg conference, October 25-29, 1955, sponsored by the Committee on Photobiology of the National Academy of Sciences-National Research Council and supported by the National Science Foundation - Gaffron, H. (Interscience Publishers, 1957)

The resource inventory: in the context of the Convention on Biological Diversity. (Biodiversity Data Management - document 4) - WCMC (UNEP, 1995)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

A revision of Bastin's College botany for the use of students of pharmacy - Bastin, Edson S. (Edson Sewell), 1843 -1897 (G. P. Engelhard & co, 1920)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1923)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1924)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1928)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1929)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1930)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1931)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1932)