Browsing by Author: Letsch, Emil
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Preview | Issue Date | Title | Author(s) |
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1938 | August Aeppli, 1859-1938 | Letsch, Emil; Schweizerische Naturforschende Gesellschaft |
Preview | Issue Date | Title | Author(s) |
---|---|---|---|
1938 | August Aeppli, 1859-1938 | Letsch, Emil; Schweizerische Naturforschende Gesellschaft |