De Waarheid, 29 Apr 1953, p. 6: short Jakarta dispatch (20 April) that Gerwis handed to Prime Minister Wilopo the resolutions from its recent conference: price controls, independent trade policy, firm action against security threats, and condemnation of attempts to drive peasants off their land in North Sumatra.
Java-Bode, 24 February 1954, p. 2: Medan women's organisations, including Perwari, PPNI, Wanita Rakjat, Ikatan Wanita Rakjat and Gerwis, protested to the resident that women have no seat on the North Sumatra election committee and demanded revision. The resident promised to forward it to the Minister of Justice.
Indische Courant voor Nederland, 3 Mar 1954, p. 3: composition of the North Sumatra election committee announced; women's organisations in Medan including Perwari, Wanita Rakjat, Ikatan Wanita Rakjat and Gerwis protest to the resident that women are not represented and demand revision.