The threatened strike in East Sumatra
Short item, Java-Bode, 13 Jan 1953, p. 2: a Sarbupri delegation including Mrs Setiati Surasto visits PM Wilopo about overtime pay on Sumatra's East Coast and protests the labour minister's decision; Wilopo refers them to the P4P. Same text as the Indische Courant item.
The threatened strike in East Sumatra
Short item, Indische Courant voor Nederland, 17 Jan 1953, p. 3: a Sarbupri (plantation workers' union) delegation including Mrs Setiati Surasto visits PM Wilopo on 5 Jan about overtime pay on Sumatra's East Coast and protests the labour minister's decision; Wilopo refers them to the P4P.
Other trade unions: Sarbupri strike and BTI congress solidarity
De Vrije Pers fragment (17 Sep 1953) on trade-union reactions to the Sarbupri plantation workers' strike. It notes that the BTI's second congress, attended by SOBSI, Pemuda Rakyat and Gerwis representatives, declared solidarity with the strike and instructed its branches to support strikers.