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Letter from Tadeusz Kotarbiński written 16.04.1923

Postcard from Tadeusz Kotarbiński written 20.04.1923

Letter from Tadeusz Kotarbiński written 19.05.1923

Postcard from Tadeusz Kotarbiński written nd.nd.nd

Postcard from Tadeusz Kotarbiński written 21.06.1923

Postcard from Tadeusz Kotarbiński written 23.10.1923