De Waarheid, 16 Jan 1952, p. 4: report on workers' protests against Sjahrir's PSI splitting unions (the Perbupri breakaway from SOBSI's plantation union Sarbupri in Jember). A closing section says the Gerwis annual congress in Surabaya unanimously demanded abolition of the Round Table Agreement and return of New Guinea
De Waarheid, 3 Jul 1952, p. 5: dispatch on Indonesian solidarity with Korea on the war's second anniversary. A 17-person delegation of the Indonesian Peace Committee, including Francisca Fanggidaej, visited the US embassy in Jakarta to protest killings of women and children; Ambassador Cochran refused to receive them,
De Nieuwsgier, 6 Dec 1952: representatives of 18 parties and organisations in Surabaya, under the PNI, urge the government to clarify whether the 17 October 1952 affair was a coup, to act against all involved and to implement the Sophiaan motion. Gerwis is among the listed attendees (with PKI, PNI, SOBSI, Murba, Wanita