PETIR Organ of the People's Action Party January 1959 - December 1959
...

The Petir articles
Copy of PETIR, organ of the People's Action Party with headlines titled "The Hour of Decision

FCO 141/14784: Singapore: 'Petir' (organ of the Peoples' Action Party). Secret - migrated archives
File contains two English editions of the journal: March and May 1959, notes on the Malay editions

People's Action Party 1954 - 1979: PETIR 25th Anniversary Issue
...

People's Action Party 1954-1984, Petir 30th anniversary issue, 21 Nov 1984
...