Abadi, 26 Maret 1952, hlm. 3: Gerwis memprotes perang kuman di Korea
Abadi, 26 March 1952, p. 3: Gerwis Protests Germ Warfare in Korea
Abadi, 26 Mar 1952, p. 3: Gerwis backs the WIDF protest to the UN Secretary-General against alleged US germ warfare in Korea and urges Indonesia's UN delegate to support it.