Short De Vrije Pers notice (7 Mar 1952) that International Women's Day would be marked in Surabaya by the Gabungan Organisasi Wanita Surabaya, which includes Gerwis, Perwari, Christian and other women's groups at the regent's pendopo, while Chinese women's organisations held separate events.
Surabaya Post p. 2, 15 February 1957: brief reporting that the Surabaya women's organisation federation formed a committee, chaired by Gerwani, to celebrate International Women's Day, with other left and nationalist women's groups as officers. Evidence of Gerwani's leading role in local women's coalitions.
Ten-page digest (in Komnas Perempuan's 2010 compilation) of Wieringa's Kuntilanak Wangi, tracing Indonesian women's movements from Kartini and Poetri Mardika to Gerwani, its rivalry with Perwari, the 1965 slander and New Order corporatism (Dharma Wanita, PKK). Concise overview.