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v. 9, no. 2 (Jul- Aug 1964)- v. 9, no. 3 (Sep- Oct 1964)
v. 10, no. 2 (Jul- Aug 1965)- v. 10, no. 4 (Nov- Dec 1965)
v. 10, no. 6 (Mar- Apr 1966)
v. 11, no. 1 (May- Jun 1966)- v. 11, no. 2 (Jul- Aug 1966)
v. 12, no. 4 (Nov- Dec 1967)- v. 12, no. 5 (Jan- Feb 1968)
v. 13, no. 1 (May- Jun 1968)
v. 13, no. 3 (Sep- Oct 1968)
v. 13, no. 6 (Mar- Apr 1969)- v. 14, no. 4 (Nov- Dec 1969)
v. 14, no. 6 (Mar- Apr 1970)
v. 15, no. 3 (Sep- Oct 1970)- v. 16, no. 5 (Jan- Feb 1972)