vol. 1, no. 1 - September 1967
vol. 1, no. 2 - October 1967
vol. 1, no. 3 - November/December 1967
vol. 1, no. 4 - February 1968
vol. 1, no. 6 - April 1968
vol. 1, no. 7 - June 1968
vol. 1, no. 8 - August 1968
vol. 2, no. 1 - October 1968
vol. 2, no. 2 - April 1969
vol. 2, no. 3 - June 1969
vol. 3, no. 1 - January 1970
vol. 3, no. 3 - August 1970
vol. 4, no. 1 - December 1971