An Economic Observer (anon.), -

• Monthly Review Vol. 14, No. 2: June 1962 - Articles
  Idle Machines
  Abstract
• Monthly Review Vol. 15, No. 7: November 1963 - Review
  Looking Forward
  Abstract
• Monthly Review Vol. 24, No. 7: December 1972 - Articles
  Greece: Neocolonialism and Revolution: The Takeover of Greece; A Case of Neocolonialism
  Abstract