Copy:
v. 42, no. 11
v. 45, no. 9
v. 47, no. 4-9, 11
v. 48, no. 1-v. 50, no. 9
v. 51, no. 1-v. 56, no. 1
v. 56, no. 4-v. 58, no. 2
v. 58, no. 8
v. 59, no. 1, 5-12
v. 60, no. 3-4, 6-7, 10
, 6-7, 10
v. 61, no. 1-v. 62, no. 7
v. 61, no. 10-11 (May 1954
Apr 1968
Dec 1969-Jun 1970
Summer 1970
Sep 1970-May 1973
Oct 1973-Oct 1978
Jan-1979-Nov 1980
May, Oct 1981
Feb-Oct, Dec 1982
Jan, Mar-Apr, Oct-Nov 1983
1984-Apr 1985
Summer-Sep 1985)
v. 50, no. 2 (Oct 1972) ; v. 50, no. 10-11 (Jun, Summer 1973) ; v. 51, no. 10 (Summer 1974) ; v. 52, no. 11 (Summer 1975) ; v. 54, no. 5 (Feb 1977) ; v. 56, no. 5 (Apr 1979) ; v. 57, no. 9 (Jun 1980) lacking
v. 62, no. 2-4, 6-9, 11-12
v. 62, no. 3
v. 63, no. 6-10
v. 64, no. 2, 4-7
v. 65, no. 3-6
v. 66, no. 1, 4 (Nov-Dec 1985
Jan, Mar-May, Summer-Sep, Dec 1986
Mar-Summer, Nov 1987
Feb-Aug 1988
Feb-Oct 1989
Apr-Jul 1990)