De Locomotief, 29 Mar 1952: a Blue Band margarine advertisement listing prize-competition winners. It was retrieved only because of the name Sumijarsi/M. Caropeboka (Bogor) in the winners' list; no Gerwani-related content. False hit, much OCR unreadable.
Het Nieuwsblad voor Sumatra page-4 advertisement (1 Apr 1952): a long Blue Band/Unilever prize-draw winners list (cars, scooters, radios, etc.) with hundreds of names and towns. 'M. Caropeboka - Bogor' appears as a ballpoint winner. Nothing indicates any link to Sumiyarsi Siwirini Caropeboka; the name match is coincide
De Locomotief, 14 Oct 1952, city news: a Semarang meeting of the committee rejecting Government Regulation 19/52 on widows' pensions for civil servants with multiple wives draws great interest from women's organisations. Twelve bodies including SOBSI, Lekra, Pemuda Rakjat and Gerwis reject the law and decide to continu
De Locomotief, 18 Nov 1952: Indonesian-language thank-you notice by the Milono family and by newlyweds Mulyono and Sutanti after their wedding on 13 Nov 1952, plus a subscription form. No connection to Gerwani; the bride Sutanti is not shown to be Soetanti Aidit. False hit.