Merdeka, 20 Feb 1951, p. 2: PKI protests France's 24 Jan 1951 expulsion of the WFTU, WFDY and WIDF from Paris; Gerwis and a printers' union send similar protests to the French minister.
Francisca de Haan's article (German, Feministische Studien 2009) on the WIDF's early years 1945-50: founding congress in Paris, leaders Cotton, Ibarruri and Popova, and the destruction of the US affiliate by HUAC. Background on the federation Gerwani later joined.
Yulia Gradskova's 2021 monograph on the WIDF, the Global South and the Cold War, based on GARF, RGASPI and IISH archives: Soviet supervision, Cold War battles and relations with women from Africa, Asia and Latin America. Background on the WIDF in which Gerwani participated.