'News in brief' column, Provinciale Overijsselsche en Zwolsche Courant (14 Mar 1952). The only Indonesia item says Eleanor Roosevelt will reach Jakarta on 25 March, be received by Sukarno on 26 March and address the congress of an Indonesian women's movement (not named). Context for the Gerwis letter to Roosevelt.
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, 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.
Java-Bode, 31 Dec 1952, p. 3: year-in-review chronology April-July 1952 (Wilopo cabinet, Sobsi strike, Westerling, SOB lifting, NU leaving Masjumi). Only Gerwani-adjacent entry: on 8 April the goodwill mission to Kahar Muzakkar under Mrs Salawati returned to Makassar without result.