De Nieuwsgier, 24 Aug 1954: the Medan Badan Kerdjasama Nasional, to which PKI, PNI, SKI and Gerwani are affiliated, adopts a resolution urging the government to relieve Medan's mayor A.N. Djalaluddin. Same item as in De Locomotief of the same date.
Java-Bode, 24 August 1954, p. 2: one-sentence item that the Medan Badan Kerdjasama Nasional (BKN), whose affiliates include PKI, PNI, SKI and Gerwani, passed a resolution urging the government to dismiss Medan's mayor A.M. Djalaludin.
Short Het Nieuwsblad voor Sumatra item (25 Aug 1954, p.2): the Medan national cooperation body BKN, to which the PKI, PNI, SKI and Gerwani are affiliated, adopted a resolution asking the government to remove Medan's mayor A.M. Djalaluddin from office.
One-sentence item, Indische Courant voor Nederland, 28 Aug 1954, p. 3: the Medan Badan Kerdjasama Nasional, whose affiliates include PKI, PNI, SKI and Gerwani, resolves to urge the government to dismiss Medan mayor A.M. Djalaludin.
PhD dissertation (Yale, 1967) by R. William Liddle, a political-science study of local parties and political integration in Simalungun regency and Pematangsiantar, North Sumatra, based on 1963-64 fieldwork. Gerwani appears in a few brief passages in ch. VI: listed among PKI mass organizations (p. 190), given no members