Abadi, 1 Mar 1952, p. 2: Palembang women's organisations form a committee for International Women's Day chaired by Rochani Mailan of Gerwis; also reports of Krawang mothers selling children for rice.
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
Java-Bode, 23 Apr 1952, p. 2: Kartini Day commemoration at a packed Garden Hall in Jakarta, organised by women's and girls' associations including Gerwis and PPI; Miss Ainun speaks. Also notes Kartini events at the AURI wives' association and in Bandung.
Indische Courant voor Nederland, 30 Apr 1952, p. 2: report on Kartini Day commemorations in Jakarta, Bandung, The Hague and the US. At a packed Garden Hall meeting in Jakarta organised by women's and girls' associations including Gerwis and PPI, the audience sang the Kartini song and observed a minute's silence.