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, 1943)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1945)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1952)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1954)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1960)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1966)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1974)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1979)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1982)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2000)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2005)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2007)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2010)

Die Rohstoffe des Pflanzenreiches; Versuch einer technischen Rohstofflehre des Pflanzenreiches, unter Mitwirkung von Max Bamberger [et. el.] - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1900)

Die rohstoffe des pflanzenreiches; versuch einer technischen rohstofflehre des pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1900)

Die rohstoffe des pflanzenreiches; versuch einer technischen rohstofflehre des pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1903)

Die Rohstoffe des Pflanzenreichs : versuch einer Technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1914)

The Royal botanic gardens, Kew : historical and descriptive - Bean, W. J. (William Jackson), 1863 -1947 (Cassell and Co., Ltd, 1908)

Rubber - Browne, Edith A., 1874 - (Black, 1920)

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

Rubber - Browne, Edith A., 1874 - (A. & C. Black, 1912)

Rubber-content of North American plants - Hall, Harvey Monroe, 1874 -1932 (Carnegie Institution of Washington, 1921)

Rubber-content of North American plants by Harvey M. Hall and Frances L. Long - Hall, Harvey Monroe, 1874 -1932 (Carnegie Institution of Washington, 1921)

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)

Rubber: what it is and how it grows - La Zacualpa rubber plantation Co. (From the press of F. H. Abbott, 1908)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1911)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1926)

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Science progress (John Murray, 1918)

Science progress in the twentieth century : a quarterly journal of scientific work & thought (John Murray, 1907)

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

Science progress in the twentieth century : a quarterly journal of scientific work & thought (John Murray, 1909)

Science progress in the twentieth century : a quarterly journal of scientific work & thought (John Murray, 1914)

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Scientific results of the Zoological Expedition to British East Africa and Uganda made by Prof. V. Dogiel and I. Sokolow in the year 1914 - Dogel, V. A. (Valentin Aleksandrovich), 1882 -1955 (1914)

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

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

Shade in coffee culture - Cook, O. F. (Orator Fuller), 1867 -1949 (U.S. Dept. of Agriculture, Division of Botany, 1901)

sheng yao xue 生药学 - Xu, Boyun 徐伯鋆 (zhong hua min guo yao xue hui 中华民国药学会, 1933)

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shuang zi ye zhi wu fen lei - Zhong hua jiao yu wen hua ji jin dong shi hui bian yi wei yuan hui 中华教育文化基金董事会编译委员会 (shang wu yin shu guan fa xing)

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