The Tony Award for Best Revival (Play) has only been awarded since 1994. Prior to that, plays and musicals were considered together for the Tony Award for Best Revival.
The award is given to the best non-musical play which has already appeared on Broadway in a previous production.
... Mitchell
1982 Neil Young
1983 Glenn Gould
1986 Gordon Lightfoot
1987 The Guess Who[?]
1989 The Band
1990 Maureen Forrester[?]
1991 Leonard Cohen
1992 I ...