[A Christmas letter by Dr. Alexander Tschirch, Bern, to his brother Dr. Otto Tschirch, Brandenburg on the Havel (1911)].
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D005858:Germany; D049673:History, 20th Century; D010598:Pharmacognosy / Q000266:history; D010600:Pharmacology / Q000266:history; D013557:Switzerland; D014956:Writing / Q000266:history
Ein Weihnachtsbrief Prof. Dr. Alexander Tschirch, Bern, an seinen Bruder Prof. Dr. Otto Tschirch, Brandenburg a.d. Havel (1911).