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.
... with Michelet and others, formed the "centre," midway between Erdmann and Gabler on the one hand, and the "extreme left" represented by Strauss, Feuerbach and Bruno ...