Merdeka, 10 April 1951, hlm. 2: Gerwis dukung program bersama 14 partai
Merdeka, 10 April 1951: Gerwis supports the 14-party joint programme
Merdeka, 10 Apr 1951, p. 2: Antara from Semarang that the Gerwis central board (6 Apr 1951) endorses the 14-party joint programme (annul KMB, independent foreign policy, revoke SOB) and demands a broad national coalition cabinet.