Abadi, 30 Januari 1952, hlm. 2: Buku-buku anggota Gerwis disita bea cukai
Abadi, 30 January 1952, p. 2: Gerwis Member's Books Seized by Customs
Abadi, 30 Jan 1952, p. 2: customs at Tanjung Priok seized books of Gerwis member Nuraini (Langsa), including a Gerwis congress report, Bintang Merah and the Communist Manifesto, as 'proven communist leanings'.