Abadi, 8 September 1951, p. 1: S.K. Trimurti Invited to China's National Day
Abadi, 8 Sept 1951, p. 1: five Indonesians, including Gerwis leader S.K. Trimurti, invited by Chinese peace, women's and cultural bodies (Guo Moruo, Cai Chang, Mao Dun) to the PRC's second National Day on 1 October 1951.
CIA study, May 1955: The Communist Party of Indonesia - a survey of PKI organization and history
CIA study, May 1955, surveying PKI organisation and history before the 1955 elections, with a short section on Gerwani among eight front organisations (pp. 49-50) and PKI foreign channels. Earliest extended US assessment of Gerwani as a PKI front.
FBIS Daily Report, 28 Apr 1958: Mme Tanti Aidit and Mme Sutarsih arrive in Peking for May Day
US FBIS Daily Report (Foreign Radio Broadcasts), page of 1 May 1958 carrying an NCNA English item of 28 April 1958: Mme Tanti Aidit and Mme Sutarsih, members of the central committee of the 'Indonesian Women's Movement' (Gerwani), arrived in Peking by air as guests of the National Women's Federation to attend May Day.