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
Page of the Jakarta daily Harian Rakjat, 23 April 1952 (Kartini Day issue; OCR very noisy). It reports Hari Kartini commemorations in Jakarta (about 650 women at Garden Hall), in The Hague, where Ny. S. Sri Kusnapsiah spoke on Kartini's aims and thought, and in Semarang, Bogor and elsewhere, alongside Wilopo-cabinet an