Merdeka, 25 April 1951: May Day 1951 preparations
Merdeka, 25 April 1951 (hlm. 2): plans for May Day 1951 by a central committee (SOBSI, KABM) assisted by the Peace Defence Committee, Lekra, Pemuda Rakyat, Sakti and Gerwis, framed as defence of world peace.
Suwarti, MP and chair of Gerwis, on the peace committee (Harian Rakjat, 3 May 1952)
Harian Rakjat, 3 May 1952. On p. 3 Suwarti, MP and general chair (ketua umum) of Gerwis, is listed among the Indonesians invited to join the preparatory committee for the Asia-Pacific Peace Conference, alongside Siauw Giok Chan, Ir. Setiadi and others. Pp. 2-3 also report May Day 1952 rallies where Gerwis marched with