OSS/State Department report OIR 5714.7 (30 May 1952) analysing PKI propaganda: party structure, front organisations, relations with international communism and themes. Names Gerwis under Mrs Mudigdo as the communist vehicle competing with Kowani for women, and BTI under S. Sardjono; appendices cover publishing, films,
CIA intelligence survey of the PKI's history, structure and front organisations, May 1955, before the September 1955 elections. Section III.E (report pp. 49-50) profiles Gerwani: founded 1950 as Gerwis, renamed Gerwani at the March 1954 congress, 25,000+ members, S.K. Trimurti general chairman and Umi Sardjono chairman
CIA Current Intelligence Weekly Summary, 12 Nov 1959, a long multi-topic report; the Indonesia part (pp.23-27) assesses PKI strength (Aidit's claim of 1.5 million members, Java as base, army and Sukarno restrictions, Aidit's 1959 Moscow and Peking trip). It names GERWANI as the PKI's women's front, alongside Pemuda Rak