found: BGN, telephone call, 8-17-84(Saint Thomas)
found: Webster's geog., 1980(Saint Thomas; island, U.S. Virgin Is.)
found: Col.-Lipp. gaz., 1966(Saint Thomas Island)
found: LC data base, 8-17-84(hdg.: St. Thomas, Virgin Islands)
found: GeoNames, algorithmically matched, 2009(island; 18°21ʹ12ʺN 064°56ʹ12ʺW)
found: CIA The world factbook website, August 13, 2015(under Virgin Islands: there are no first-order administrative divisions as defined by the US Government, but there are 3 islands at the second order; Saint Croix, Saint John, Saint Thomas)
found: GNIS, August 13, 2015(Saint Thomas, island, variant names: Isle Saint Thomas; Saint-Thomas; Sanct Thomas, county: St. Thomas, Virgin Islands; Saint Thomas and Sanct Thomas also listed as variant names for Charlotte Amalie)
found: Geographic dictionary of the Virgin Islands of the United States, 1925:page 169 (Saint Thomas; Island, 12 miles long, 1 to 3 miles wide; 76 per cent of population are congregated in St. Thomas City; St. Thomas Island)
found: Wikipedia, August 13, 2015(under United States Virgin Islands: Administratively, the U.S. Virgin Islands are divided into three (3) districts and twenty (20) sub-districts. Districts: St. Thomas, St. John, St. Croix; under Districts and sub-districts of the United States Virgin Islands: The United States Virgin Islands are administratively divided into 3 districts, which are subdivided into 20 subdistricts. These are further divided into quarters and estates. The districts are: 1. Saint Croix. 2. Saint Thomas. 3. Saint John)