Karl P. Jessen

This work was originally published before January 1, 1928 and the known author of this work:^[1]

• died before January 1, 1949 or
• died between January 1, 1949 and January 1, 1953, did not work during the Great Patriotic War and did not participate in it.

Dieses Werk ist gemeinfrei in den Vereinigten Staaten, weil es vor dem 1. Januar 1928 veröffentlicht (oder beim U.S. Copyright Office registriert) wurde.
^[1] If the author of this work was subjected to repression and rehabilitated posthumously, replace the death date by the later rehabilitation date.

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