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First Issue 1980 - Volume 41, Number 1

Second Issue 1980 - Volume 41, Number 2

Third Issue 1980 - Volume 41, Number 3

Fourth Issue 1980 - Volume 41, Number 4

First Issue 1981 - Volume 42, Number 1

Second Issue 1981 - Volume 42, Number 2

Third Issue 1981 - Volume 42, Number 3

Fourth Issue 1981 - Volume 42, Number 4

First Issue 1982 - Volume 43, Number 1

Second Issue 1982 - Volume 43, Number 2

Third Issue 1982 - Volume 43, Number 3

Fourth Issue 1982 - Volume 43, Number 4

First Issue 1983 - Volume 44, Number 1

Second Issue 1983 - Volume 44, Number 2

Third Issue 1983 - Volume 44, Number 3

Fourth Issue 1983 - Volume 44, Number 4

First Issue 1984 Volume 45, Number 1

Second Issue 1984 Volume 45, Number 2

Third Issue 1984 Volume 45, Number 3

Fourth Issue 1984 Volume 45, Number 4

First Issue 1985 Volume 46, Number 1

Second Issue 1985 Volume 46, Number 2

Third Issue 1985 Volume 46, Number 3

Fourth Issue 1985 Volume 46, Number 4

First Issue 1986 Volume 47, Number 1

Second Issue 1986 Volume 47, Number 2

Third Issue 1986 Volume 47, Number 3

Fourth Issue 1986 Volume 47, Number 4

First Issue 1987 Volume 48, Number 1

Second Issue 1987 Volume 48, Number 2

Third Issue 1987 Volume 48, Number 3

Fourth Issue 1987 Volume 48, Number 4

First Issue 1988 Volume 49, Number 1

Second Issue 1988 Volume 49, Number 2

Third Issue 1988 Volume 49, Number 3

Fourth Issue 1988 Volume 49, Number 4

First Issue 1989 Volume 50, Number 1

Second Issue 1989 Volume 50, Number 2

Third Issue 1989 Volume 50, Number 3

Fourth Issue 1989 Volume 50, Number 4