The Economist, 6 Nov 1965, p.594, 'Rings on a tree trunk', from a special correspondent in Jakarta: the army-inspired anti-communist campaign has gained its own momentum, with raids on PKI offices, arrests, 26 Antara correspondents detained, Aidit in hiding, Sukarno declaring Central Java in a 'state of war'. Wall graf
The Cold War in the City of Heroes: US-Indonesian Relations and Anti-Communist Operations in Surabaya (Setiyawan, 2014)
PhD dissertation in History (UCLA, 2014) by Dahlia Gratia Setiyawan on U.S. anti-communist operations and the 1965-66 purge in Surabaya. Gerwani appears in context: as the PKI's women's affiliate (ch. 1), through the Surabaya women's coalition GOWS in the 27 September 1965 Grahadi demonstration (ch. 4), and in the Army