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

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1923)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1888)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1935)

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, 2000)

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Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1893)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1898)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1899)

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

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1914)

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

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1928)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1940)

Rust, smut, mildew & mould. An introduction to the study of microscopic fungi - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (W. H. Allen, 1902)

Rust, smut, mildew, & mould; an introduction to the study of microscopic fungi - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Hardwicke and Bogue, 1878)

Rust, smut, mildew & mould. An introduction to the study of microscopic fungi - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (W. H. Allen, 1886)

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Science - American Association for the Advancement of Science. ([s.n.], 1909)

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

Science - American Association for the Advancement of Science. ([s.n.], 1911)

Science - American Association for the Advancement of Science. ([s.n.], 1913)

Science - American Association for the Advancement of Science. ([s.n.], 1914)

Science - American Association for the Advancement of Science. ([s.n.], 1915)

Science - American Association for the Advancement of Science. ([s.n.], 1919)

Science - American Association for the Advancement of Science. ([s.n.], 1920)

Science - American Association for the Advancement of Science. ([s.n.], 1921)

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Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1897)

Science progress in the twentieth century : a quarterly journal of scientific work & thought (John Murray, 1910)

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The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1911)

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The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1920)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1922)