De Nieuwsgier, 17 Sept 1953: the Committee to Support Tunisia issues a manifesto backing Tunisia's freedom struggle against French policy, signed by many party leaders and organisations. S.K. Trimurti signs on behalf of Gerwis, with Maria Ulfah Santoso for Kowani and others for PNI, Masjumi, PSI, Parkindo. Shows Gerwis
De Nieuwsgier, 18 Dec 1953: three Jakarta branches of the PSI protest to Mayor Sudiro that election committees for the Greater Jakarta regencies seat only certain parties and their 'side organisations', naming Gerwis, Wanita Demokrat, Petani, Sobri, Sobsi and PPR as associations with seats. Shows the political contest
Java-Bode, 18 December 1953, p. 2: the PSI's Jakarta Raya branches complain to Mayor Sudiro that the election committees for the 1955 elections are unrepresentative. The PSI coordinator names Gerwis, Wanita Demokrat, Petani, Sobri, Sobsi and PPR among the associations holding seats, calling them auxiliaries of parties.
Indische Courant voor Nederland, 23 Dec 1953, p. 2: PSI branches complain to Jakarta mayor Sudiro that election committees in Jakarta Raya are unrepresentative, dominated by party affiliates; the PSI coordinator names Gerwis, Wanita Demokrat, Sobsi, PPR and others among bodies holding seats.