DBP Digital https://hdl.handle.net/1884/44547 2026-04-17T08:24:01Z 2026-04-17T08:24:01Z Der Pionier, 7(11) https://hdl.handle.net/1884/49015 2017-09-27T17:04:53Z 1888-03-17T00:00:00Z Der Pionier, 7(11); Der Pionier, ano 7, nº 11; Der Pionier, 7. Jahrg., Nr. 11 1888-03-17T00:00:00Z