| Covers listed |
|
| 1976: | #1 /Spring, #2 /Summer, Vol 1 No 3Autumn, Vol 1 No 4Winter, |
| 1977: | Vol 2 # 1, |
| 1978: | Vol 2 No 2, Vol 2 # 4, Vol 2 No 3 , |
| 1979: | Vol 3 # 1, Vol 3 # 2, Vol 3 # 3Autumn, Vol 3 No 4Winter, |
| 1980: | Vol 4 #1, Vol 4 No 2, Vol 4 No 3, |
| 1981: | Vol 4 #4, |
| 1982: | Vol 5 #1, |
| 1983: | Vol 5 No 2, Vol 5 No 3, Vol 5 No 4, |
| 1984: | Vol 6 No 1, Vol 6 No 2, Vol 6 No 3 , |
| 1985: | Vol 6 #4, Vol 7 No 1 , Vol 7 No 3 , Vol 7 No 4 , |
| 1986: | Vol 8 #2, Vol 8 No 3, Vol 8 No 1 , |
| 1987: | Vol 9 No 1 , Vol 9 No 2 , Vol 9 No 3 , Vol 9 No 4, |
| 1988: | Vol 10 No 1, Vol 10 #3, Vol 10 No 2Summer, Vol 10 No 4Winter, Vol 10 No 2 , |
| 1989: | Vol 11 No 2Summer, |
| 1990: | Vol 12 No 4Winter, |
| 1991: | vol 13 #1, Vol 13 No 3, Vol 13 No 2Summer, Vol 13 No 3-4Autumn, |
| 1992: | Vol 14 No 1Spring, Vol 14 No 2Summer, |
| 1993: | Vol 15 No 1 , Vol 15 No 2 , Vol 15 No 3 , Vol 15 No 4 , |
| 1994: | Vol 16 No 1-2 , Vol 16 No 3Autumn, Vol 16 No 4 , |
| 1995: | Vol 17 No 1-4 , |
| 1996: | Vol 18 No 3Autumn, |
| 1998: | Vol 20 No 4 October, Vol 20 #3, |
| 1999: | Vol 21 # 1, Vol 21 # 2, Vol 21 # 3, |
