Augustus-arrestanten: Sobsi wil in Soerabaja massa-demonstratie (Tahanan Agustus: SOBSI ingin demonstrasi massa di Surabaya)
August detainees: SOBSI wants mass demonstration in Surabaya
Algemeen Indisch Dagblad (1952-08-28, p. 2): at a Surabaya press conference the committee for victims of the August 1951 raids, with SOBSI, plans a 7 September mass demonstration outside the governor's and Brawijaya commander's residences demanding release of all arrestees. Committee secretary Miss Sulami blames the RT