'40 Tahun PKI', compiled by the PKI History Institute (Lembaga Sejarah PKI) for the party's 40th anniversary, Yayasan Pembaruan, Jakarta 1960, following D.N. Aidit's 'Lahirnya PKI dan perkembangannya'. A party-line history from the 1920 founding through the 1926 uprising, Japanese occupation, revolution and the VI Cong
Ipong Jazimah's 2016 biographical sketch of S.K. Trimurti (1912-2008): journalist, labour minister, Gerwis co-founder, Petisi 50 signatory. Pages 50-51 cover Gerwis's founding; relies on a few secondary sources.
PhD dissertation (History, University of Washington, 2020) by Hongxuan Lin tracing the confluence of Islam and Marxism in the Netherlands East Indies and Indonesia, 1915-1959, through vernacular print culture; it genealogises Sukarno's NASAKOM. Gerwani appears only briefly: citing Blackburn, it says millions joined for
English-edition Tempo cover story 'End of the Road' (4 Oct 2021, Retno Sulistyowati), a translation from the Umi Sardjono special report. It traces Umi's formation in Pathuk Youth, Pesindo, BBW with S.K. Trimurti, Madiun 1948 arrest, founding of Gerwis (Semarang, 3-6 Jun 1950), Gerwani growth from 80,000 to 650,000 (19