Angkatan Bersendjata, 18 Juni 1966. Front-page editorial welcoming KODAM Jaya's ban on Partindo members at MPRS, arguing Partindo drew its members from the PKI, SOBSI, BTI, Pemuda Rakyat and Gerwani; Suharto warns against the 'Lubang Buaya trap'.
Angkatan Bersendjata, 12 Juli 1967. Report on the 11th session of Sudisman's Mahmillub trial (witnesses Karel Supit and Sardjono); Gerwani mentioned on p. 3 as the court was to hear further witnesses.
Ipong Jazimah's 2016 biographical sketch of S.K. Trimurti (1912-2008): journalist, labour minister, Gerwis co-founder, Petisi 50 signatory. Pages 50-51 cover Gerwis's founding; relies on a few secondary sources.