Het Nieuwsblad voor Sumatra (25 Jul 1953, p.2): a delegation of SOBSI, Pwbebsi, Komité Rakjat, LPPI and Gerwis, led by Munir of SOBSI, handed Parliament's speaker a resolution from a Jakarta mass meeting demanding an 'anti-DI cabinet' and a decree declaring Darul Islam an enemy of the state. The delegation was received
Algemeen Indisch Dagblad (1955-12-27, p. 2): the communist parliamentary faction (Sakirman, Tjugito, Mrs. Suwarti, Achmad Sumadi, Sujono, S. Utarjo) submits a written interpellation on foreign capital investment, arguing the RTC agreements restored monopoly capital, citing colonial-era profits, and asking eight detaile
De Nieuwsgier report (16 Nov 1956) on parliament adopting the Anwar Harjono resolution regretting Soviet interference in Hungary (102 for, 29 against, PKI etc.) and an amended Adam Malik motion (71 for) on UN troop withdrawals. Umi Sardjono is listed among the Malik motion's co-submitters (Pembangunan).