Wie härtet man die Haut ab?

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{"created":"2022-01-31T15:08:11.451855+00:00","id":"lit23978","links":{},"metadata":{"contributors":[{"name":"Hoppe, Johann Ignaz","role":"author"}],"detailsRefDisplay":"Berlin: Logier","identifier":"lit23978","issued":"1839","title":"Wie h\u00e4rtet man die Haut ab?","type":"Book"},"revision":0,"updated":"2022-01-31T15:08:11.451861+00:00"}