Soviet Woman, 31 Jul 1963, p. 44: WIDF programme adopted at its 1963 Moscow World Congress of Women, with an issue preview and the list of elected leaders. Eugenie Cotton re-elected president. Umi Sardjono (Indonesia) is named among Bureau members, with Freda Brown (Australia), Vilma Espin and others.
Berliner Zeitung, 28 October 1964, p. 5: ADN report 'IDFF ruft die Frauen der Welt' on the WIDF Council session in Sofia. Ilse Thiele (DFD) was elected one of four new vice-presidents; Freda Brown (Australia), Vilma Espín (Cuba) and Umi Sardjono (Indonesia) were confirmed as further vice-presidents. The council called
Neues Deutschland, 28 October 1964, p. 1: ADN dispatch from Sofia, headed 'Ilse Thiele neue IDFF-Vizepräsidentin'. At the end of the WIDF council session DFD chair Ilse Thiele was elected one of four new vice-presidents; Freda Brown (Australia), Vilma Espín (Cuba) and Umi Sardjono (Indonesia) were confirmed in the post