Seattle (1786?–07 June 1866), leader of the Coast Salish-speaking Duwamish tribe of east central Puget Sound, American National Biography Online, 29 november 2017, 10.1093/ANB/9780198606697.ARTICLE.2000920, Seattle, leader of the Coast Salish-speaking Duwamish tribe of east central Puget Sound, läst: 9 oktober 2017.[källa från Wikidata]