(dalam bahasa Polandia) Lucjan Siemieński, "Podania i legendy polskie, ruskie i litewskie" (from Univ.gda.plDiarsipkan September 22, 2008, di Wayback Machine.)
web.archive.org
(dalam bahasa Polandia) Lucjan Siemieński, "Podania i legendy polskie, ruskie i litewskie" (from Univ.gda.plDiarsipkan September 22, 2008, di Wayback Machine.)