Holdings

Date                  Month
1978–1979       Oct–Dec, Jan–Mar
1979–1980       Oct–Dec, Jan?, Mar?
1980–1981       Sep–Nov, Feb–Mar
1981–1982       Oct–Dec
1982–1983       Sep, Oct?, Dec, Jan, Mar, Apr?
1983–1984       Sep, Nov (2 issues), Jan, Feb, Apr
1984–1985       Sep, Oct, Jan
1985–1986       Sep, Oct, Nov, Dec, Jan, Mar, Apr
1986–1987       Sep, Oct, Jan, Feb, Apr
1987–1988       Oct, Nov, Dec, Feb, Apr
1988–1989       Oct, Jan, Mar, Apr
1989–1990       Oct, Dec, Mar
1990–1991       Jan, Oct, Nov, Jan
1991–1992       Dec, Feb, Apr
1992–1993
1993–1994
1994–1995       Dec, Apr, Mar