Berita Yudha, 8 September 1966. Police wanted notice: Dr. Ny. Sumijarsi, 'leading figure of Gerwani/HSI/PKI' and 'the Lubang Buaya Doctor', and husband Chaerun Carepaboka, 'creators of the Lubang Buaya barbarity', still at large.
Sinar Harapan, 10 September 1966. Antara report: Pesing police commander urges arrest of Dr. Sumiarsih, 'the Lubang Buaya doctor', a 'PKI/HSI/Gerwani figure' said to have issued 'sick' certificates to those trained there.
De Nieuwe Limburger, 5 Jan 1968 (Reuters): Jakarta police arrest Dutch lawyer Mrs Mr Trees Soenito-Heyligers, from Zwolle, on suspicion of membership of the banned communist scholars' association HSI. Two years earlier she had defended trade union leader Njono, sentenced to death for the 1965 coup.