Berita Harian, 6 Februari 1963: SOBSI, Partindo dan Gerwani bantah Kerajaan Singapura
Berita Harian, 6 Feb 1963: SOBSI, Partindo and Gerwani protest to Singapore government
Berita Harian, 6 Feb 1963 (lead text only). Reports from Jakarta that SOBSI, Partindo and Gerwani, described as leftist, protested to the Singapore government over arrests of left-wing figures on the island the previous week (Operation Coldstore).