no. 1 (April 1969)

no. 2 (May 1969)

no. 3 (May 1969)

no. 4 (June 1969)

no. 5 (July 1969)

no. 6 (August 1969)

no. 7 (August 1969)

no. 9 (November 1969)

no. 10 (November 1969)

no. 13 (April 1970)