Copy:
v. 1, no. 2-7
v. 2, no. 1-5
v. 3-v. 12, no. 2
v. 12, no. 4-9
v. 13, no. 1-2, 4-10
v. 14, no. 1-7, 10-11
v. 15, no. 2 (Mar 1967-Oct 1968
1969-Feb 10, 1978
Apr 7-Oct 19, 1978
Jan-Apr, Jun-Dec 1979
Jan-Aug, Nov-Dec 1980
Mar 1981
Sep-Oct 1982
1983 (no. 1-3)
1984 (no. 3-4)
1985 (no. 1-3)
1986 (no. 2-3)
1987 (no. 1-2)
1988 (no. 2, 4) Dec 1990
Dec 1
(Dec. 1993)