Whitehead, E. A. Alpha beta / E. A. Whitehead - London : Faber and Faber, c1972 - 70 p.; 20 cm 3 actes P2: D1, H1 Estrena 1972-01-26 Royal Court, dir. Anthony Page ISBN: 0571099742 LCCN: 22873 Universal Decimal Class. No.: 820-2"19"