De Nieuwsgier item (7 Mar 1956): after Dutch parliamentary reports on making West Irian a Dutch territory, the West Irian Liberation Action Committee, in a letter signed by Mrs. Sudarman, Umi Sardjono and Mrs. Sutedjo, urged the Volkskongres to press for a provincial administration for West Irian and handed over Rp 1,3
De Nieuwsgier parliamentary report (16 Nov 1956) on the debate over resolutions on Soviet "interference" in Hungary (Anwar Harjono) and an appeal to the UN (Adam Malik). Umi Sardjono (listed Pembangunan faction) spoke against the Anwar resolution; it passed 102 to 29, the Malik motion 71 to 0.
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).