|
Volume(s) |
Issue(s) |
Period |
| 17 - 18 | complete | 1981 - 1982 # |
| 19 | 1 - 4, 6, (7 - 12 #) | 1983 |
| 20 | complete | 1984 # |
| 21 | (1 - 6 #), 7 - 10, 12 | 1985 |
| 22 | 2 - 3, 5 - 6, (7 - 12 #) | 1986 |
| 23 | 4 - 5, 11 - 12 | 1987 |
| 24 | complete | 1988 # |
| 25 | 1 - 6, (7 - 12 #) | 1989 |
| 26 - 28 | complete | 1990 - 1992 # |
| 29 | 1 - 6, 8 - 12 | 1993 # |
| 30 | complete | 1994 # |
| 31 - 40 | complete | 1995 - 2004 |
| 41+ | 1 - | 2005 - |