Harian Rakjat, 22 May 1953, p. 1
Harian Rakjat, 22 Mei 1953, hlm. 1. Front page on the Tandjung Morawa tractor incident debate in parliament; no Gerwis or women's item, but context for the agrarian conflicts later celebrated by Gerwani.
Politics in Simalungun: A Study in Political Integration (Liddle, 1967)
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