Protest der PKI over de arrestaties in Minahassa (Protes PKI atas penangkapan di Minahasa)
PKI protest over arrests in Minahassa
Algemeen Indisch Dagblad (1957-08-29, p. 3): the PKI central committee publishes North Sulawesi branch protest against arrests in Minahasa starting 20 July 1957 (about 30 detained, mostly PKI) and the sealing of the Manado PKI office. Listed detainees include Karel Supit and Mrs. Wuntu-Ottay of the Gerwani leadership i