CIA information report, 14 April 1950: 'Communist Developments in Indonesia', on the PKI, FDR and Partai Murba after the 1948 Madiun revolt, their alliance, infiltration of labour and army, and factions. Tan Ling Djie, Abdul Madjid, Sakirman and Wikana are named; Umi Sardjono appears only as head of one Partai Buruh In
Algemeen Indisch Dagblad (1956-03-02, p. 2): list of PKI candidates by electoral district across East Java, Central Java, West Java, Greater Jakarta and Sumatra. It includes women: Umi Sardjono (Mrs. Sukisman), Suharti Suwarto (Solo), Mudigdio (Siti Aminah Mochsjam, Jakarta), Sundari Abdulrachman (Semarang), Salawati D
Angkatan Bersendjata, 24 Oktober 1966. Report of PKI Politburo member Sakirman's arrest in Solo alleging a secret plan to mobilise ex-PKI/PR/Gerwani, especially released detainees.
Sinar Harapan, 24 Oktober 1966. Report on the arrest of PKI Politburo member Sakirman in Solo alleging a secret plan to remobilise ex-PKI/PR/Gerwani, especially released detainees.