found: His Czego Polsce potrzeba, 1920:t.p. (Władysław Umiński)
found: Au pôle sud en ballon, 1897:t.p. (W. Umiński)
found: NUC pre-56(Umiński, Władysław, 1875-)
found: Wikidata via Wikipedia, July 22, 2019(location of burial: Powązki Cemetery; instance of: human; sex or gender: male; given name: Władysław; date of birth: +1865-11-10T00:00:00Z; date of death: +1954-12-31T00:00:00Z; VIAF identifier: 91222633; place of birth: Przedecz; ISNI (P213): 0000000116846607; occupation: opinion journalist; SUDOC authorities: 081823460; educated at: Saint Petersburg State University; place of death: Warsaw; cause of death: pneumonia; NKC identifier: xx0099839; ISFDB author ID: 220775; LCAuth identifier: nr90004636; topic's main category: Wikimedia-categorie; abART person ID (P6844): 158239; description/label: polski pisarz, publicist, Władysław Umiński, Владислав Умінський) - http://www.wikidata.org/entity/Q8865632