Arrestaties in Oost-Java: Scherpe controle op de pers (Arrests in East Java: strict control of the press)

Nieuwe Haarlemsche Courant, 20 August 1951: reports the August 1951 mass arrests in East Java (the 'Razzia Agustus') of 26 people in Surabaya including journalists, PKI local chair Hutapea, Sobsi's Surono and Sutomo, and the Gerwis chairwoman Mrs Parjani Ilham; 175 more arrested in Malang, Bojonegoro, Madiun and Kediri