Komunis sembeleh keluarga panglima tentera Jogja (Communists slaughter family of Jogja army commander)
Communists slaughter family of Yogyakarta army commander (Berita Harian, 1965)
Berita Harian, 7 October 1965, p. 1: Radio Yogyakarta claims Col. Katamso's family was slaughtered; fighting at Klaten and Cirebon, where rebels included armed communist youth and Gerwani members; army paper's account of the seven officers' deaths (Yani, Suprapto, Haryono, Parman, Panjaitan, Sutoyo, Tendean) at Lubang