De Locomotief, 10 Oct 1950: report on the installation of the Semarang regency council by Resident Milono, listing about 40 members from many parties and bodies. Mrs Sri Utari is named as the Gerwis representative; Mrs Sukandar and Suwarti represent GPII's women's wing. Records Gerwis's presence in local government in
Merdeka, 19 Mar 1951, p. 2: S.K. Trimurti of the Gerwis central board says Gerwis will focus on village councils over parliamentary seats, on doctors, midwives and marriage issues, and denies Gerwis is a PKI onderbouw.
PhD dissertation (Yale, 1967) by R. William Liddle, a political-science study of local parties and political integration in Simalungun regency and Pematangsiantar, North Sumatra, based on 1963-64 fieldwork. Gerwani appears in a few brief passages in ch. VI: listed among PKI mass organizations (p. 190), given no members