Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1912)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1913)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1917)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1920)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1890)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1937)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1942)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1921)

Root characteristics of some important trees of eastern forests : a summary of the literature - United States. Forest Service. Eastern Region. (Eastern Region, Forest Service, U.S. Dept. of Agriculture, 1980)

Root diseases in Oregon and Washington conifers - United States. Forest Service. Pacific Northwest Region. (USDA Forest Service, Pacific Northwest Region Forest Pest Management, 1986)

Rooting habits of selected commercial tree species of the eastern United States : a bibliography - Every, Leanne. (G.P.O, 1980)

Rubber and rubber planting - Lock, Robert Heath, 1879 -1915 (University press, 1913)

The rubber industry in Brazil and the Orient - Akers, Charles Edmond, 1861 -1915 (Methuen & co. ltd, 1914)

The rubber industry in Brazil and the Orient - Akers, Charles Edmond, 1861 -1915 (Methuen, 1914)

Rubber; its sources, cultivation, and preparation. With a preface by Wyndham R. Dunstan - Brown, Harold (J. Murray, 1914)

The rubber tree book - Maclaren, W. F. de Bois. (Maclaren & sons, 1913)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1933)

Russula, Gomphidius, Lepiota and fungous flora of Mt. Hood and higher Rockies - Kauffman, C. H. (Calvin Henry), 1869 -1931 (1918)

Sand Pine Symposium : proceedings, December 5-7, 1972, Panama City Beach, Florida - Southeastern Forest Experiment Station (Asheville, N.C.) (USDA Forest Service, Southeastern Forest Experiment Station, 1973)

Sargentia :a continuation of the contributions from the Arnold Arboretum of Harvard University - Arnold Arboretum. (The Arnold Arboretum of Harvard University, 1945)

Schedae ad Kryptogamas exsiccatas - Naturhistorisches Museum (Austria) (A. Holder, 1894)

Schlich's manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1922)

Schriften des Naturwissenschaftlichen Vereins für Schleswig-Holstein - Naturwissenschaftlicher Verein für Schleswig-Holstein. (Lipsius & Tischer, 1873)

Science - American Association for the Advancement of Science. ([s.n.], 1900)

Science - American Association for the Advancement of Science. ([s.n.], 1905)

Science - American Association for the Advancement of Science. ([s.n.], 1907)

Science - American Association for the Advancement of Science. ([s.n.], 1908)

Science - American Association for the Advancement of Science. ([s.n.], 1910)

Science and industry - Commonwealth Institute Of Science; Industry. (Commonwealth Institute of Science and Industry, 1919)

Science of plant life, a high school botany treating of the plant and its relation to the environment - Transeau, Edgar Nelson, 1875 -1960 (World Book Co, 1921)

Science of plant life, a high school botany treating of the plant and its relation to the environment - Transeau, Edgar Nelson, 1875 -1960 (World Book Co, 1919)

Science progress in the twentieth century : a quarterly journal of scientific work & thought (John Murray, 1908)

Science studies, v.1, no. 1-3 - Montana Agricultural Experiment Station. (1905)

Scientific publications of the Cleveland Museum of Natural History - Cleveland Museum of Natural History (The Museum, 1928)

Scientific survey of Porto Rico and the Virgin Islands - New York Academy of Sciences. (The Academy, 1926)

The Scottish naturalist (T. Buncle & Co. [etc.], 1934)

A selected bibliography of North American forestry - Munns, E. N. (Edward Norfolk), 1889 -1972 (U.S. Dept. of Agriculture, 1940)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1937)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1938)

sheng wu duo yang xing yan jiu de yuan li yu fang fa - Zhongguo ke xue yuan. Sheng wu duo yang xing wei yuan hui (zhong guo ke xue ji shu chu ban she, 1994)

sheng wu ming cheng he sheng wu xue shu yu de ci yuan - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (ke xue chu ban she, 1979)

资源植物事典 = Shokubutsu jiten - Shibata, Keita, 1877 -1949 (Hokuryukan, 1957)

Silvicultural systems and cutting methods for old-growth spruce-fir forests in the Central and Southern Rocky Mountains - Alexander, Robert R. (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1986)

The silviculture of Indian trees. Published under the authority of His Majesty's Secretary of State for India in Council - Troup, Robert Scott, 1874 -1939 (Clarendon Press, 1921)

Silviculture of southwestern mixed conifers and aspen : the status of our knowledge - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1974)

Silviculture of southwestern ponderosa pine : the status of our knowledge - Schubert, Gilbert Herman, 1915 - (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1974)

A Simple key to one hundred common trees of Burma - Smales, Charles Bertram. (Govt. Printer, 1922)

Sitka spruce : a bibliography with abstracts - Ruth, Robert H. (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970)

Sitka spruce : its uses, growth, and management - Cary, N. Leroy, 1892 - (U.S. Dept. of Agriculture, 1922)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1914)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse. Abt. 3, Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1914)

Skrifter udgivne af Videnskabsselskabet i Christiania. I, Mathematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1904)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1927)

Snag habitat management : proceedings of the symposium, June 7-9, 1983, Northern Arizona University, Flagstaff - Davis, Jerry W. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1983)

Some common mushrooms and how to know them - United States. Department of Agriculture. (U.S. Dept. of Agriculture, 1946)

Some common mushrooms and how to know them - Charles, Vera K. (Vera Katherine) (U.S. Dept. of Agriculture, 1953)

Some common mushrooms and how to know them - Charles, Vera K. (Vera Katherine) (U.S. Dept. of Agriculture, 1931)

Some new and important plant disease occurrences and developments in the United States in 1956 - United States. Plant Disease Epidemics; Identification Section. (Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1957)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1916)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1917)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1921)

The Southern Forest Experiment Station - Southern Forest Experiment Station (New Orleans, La.) (1968)

Southern forest pest reporter - Southern Forest Experiment Station (New Orleans, La.) (U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station, 1955)

Southern polypores - Murrill, William A., 1869 -1957 (The author, 1915)