Vogel, Cornelia Johana de
Leiden Brill [t.th.]
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L. Astakhova ...[et al.]; editor, N. Fudel
Foreign Languages Publishing House, [date of publication not identified]
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Zeller, Eduard, 1814-1908, author
Meridian Books, 1960
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Guthrie, W.K.C., author
Cambridge University Press, 1989
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Gomperz, Theodor, author
John Murray, 1949
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