Abadi, 16 May 1951, p. 2: Antara report that International Children's Day (1 June), proposed by WIDF, would be celebrated in Indonesia for the first time by a Jakarta committee with Gerwis and SOBSI as secretariat.
Nieuwe Haarlemsche Courant, 20 August 1951: reports the August 1951 mass arrests in East Java (the 'Razzia Agustus') of 26 people in Surabaya including journalists, PKI local chair Hutapea, Sobsi's Surono and Sutomo, and the Gerwis chairwoman Mrs Parjani Ilham; 175 more arrested in Malang, Bojonegoro, Madiun and Kediri
Nijmeegsch Dagblad (20 Aug 1951) on the August 1951 arrests in East Java: 26 detained including journalists, the local PKI chairman and SOBSI unionists. Among them is Gerwis chairwoman Mrs Parjani Ilham of Surabaya. Officials deny a group is targeted; press control is to be tightened.
Trouw (20 Aug 1951) on the August 1951 arrests: 26 detained in East Java including journalists, the PKI branch chairman, SOBSI unionists and Gerwis chairwoman Mrs Parjani Ilham; 50 communists arrested in Bandung and SOBSI offices sealed. Attorney General warns of tighter press control; 17 August passed quietly.