US Embassy telegram 1290, 1 Nov 1965: labour attache's Palembang visit finds 600 communists jailed, SOBSI officials at Shell, Stanvac and PUSRI arrested, and concern for American oil staff. Context on arrests in the oil sector.
Sinar Harapan, 18 November 1966. Antara report that Suwarti, a Gerwani leader and PKI Central Committee member arrested in Palembang in May 1966 forming a shadow regional committee, will be tried by the South Sumatra Mahmillub; the first woman 'Gestapu/PKI' figure before the court.
Straits Times, 22 Jun 1967 (lead only). A special military tribunal in Palembang sentenced Mrs Suwardiningsih, a local communist leader, to life imprisonment for complicity in the 1965 coup attempt; she was the first woman tried by that tribunal.