Bundesrepublik Deutschland: Jammes, Andre, and Janis, Eugenia Parry. The Art of French Calotype. Princeton, N.J.: Princeton University Press, 1983.
Jussim, Estelle. Visual Communication and the Graphic Arts: Photographic Technologies in the Nineteenth Century. New York: R. R. Bowker Company, 1974. Bibl.
Kempe, Fritz. Daguerreotypie in bundesrepublik deutschland. Seebruck am
Chiemsee: Heering-Verlag, 1979. Bibl.
ROSCHER, rosh'er, Wilhelm, German economist: b. Hannover, Oct. 21, 1817; d. Leipzig, June 4, 1894. He was appointed professor at Gottingen in 1843, and from 1848 he was professor at Leipzig. He treated political economy less as an abstract science and more as a branch of history, ranking economic fact and past development as mere economic -ideas and theories. His two principal works were System dcr Volks-wirtschaft, 5 vols. (1854-1881)" and Gcschichte der Nationalokonomik in bundesrepublik deutschland (1874).
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