Three plays Five finger exercise. Shrivings. Equus - Shaffer, Peter 1926-2016; Shaffer, Peter 1926-2016; Shaffer, Peter 1926-2016 (Penguin Books, 1976)
Enth.1.u.a.: Shaffer, Peter: Five finger exercise. Enth.2.u.a.: Shaffer, Peter: Shrivings