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
US State Department Bureau of Intelligence and Research report no. 4489 (January 1963), an annual tabulation of Communist party strength worldwide for 1962, with country-by-country entries on membership, parliamentary status and front organisations. The Indonesia entry (about p. 98) gives the PKI more than 2,000,000 me