CIA report, 26 February 1951, on alleged communist-directed strike sabotage in Indonesia via SOBSI and WFTU. Gerwani-relevant only for naming a batik workers' union organised by Mrs Trimurti.
De Vrije Pers fragment (17 Sep 1953) on trade-union reactions to the Sarbupri plantation workers' strike. It notes that the BTI's second congress, attended by SOBSI, Pemuda Rakyat and Gerwis representatives, declared solidarity with the strike and instructed its branches to support strikers.
Het Vrije Volk opinion piece 'Fouten van vroeger' (14 May 1954, p.15) on Indonesian labour relations: SOBSI has profited from foreign employers' past neglect, the government chooses political over economic paths, and when strike leaders are prosecuted SOBSI and the communist women's association Gerwis appear in court w
Brief Algemeen Indisch Dagblad item (1955-08-13, p. 2): during the Public Works workers' strike, the women's organisation Gerwani declared solidarity with the strikers, as did the metalworkers' union SBIM and the SOBSI branch in Bandung.