no. 2 - 6 December 1968

no. 3 - March 1969

no. 4 - April 1969

no. 5 - July 1969

vol. 3, no. 1 - January 1970

vol. 3, no. 2 - February 1970

vol. 3, no. 3 - March 1970

vol. 3, no. 4 - April 1970