Abadi, 18 Sept 1951, p. 2: Antara report that Gerwis chair S.K. Trimurti was arrested on the Attorney General's order on 17 Sept 1951 at the Jakarta immigration office while arranging a passport for China; Sukiman-era anticommunist climate.
Abadi, 21 Sept 1951, p. 2: Attorney General's spokesman tells Gerwis that Trimurti is held over seized 'important letters'; the legal basis is unexplained, detention length tied to her 'confessions', she is moved to Cipinang without visits.
Merdeka, 21 September 1951 (hlm. 2): 'Sekitar penangkapan S.K. Trimurti': Gerwis central board communiqué relaying in nine points the Attorney General's answers on the arrest of its vice-chair; ordered mid-August, letters found, detention depending on her statements.