'Penthesilea' originally produced on BBC 3 in 1971, based on the play of the same name by Heinrich von Kleist. - 'Sisters' originally produced on Radio 4 Scotland in 1969.
Penthesilea : [and], Fugue ; &, Sisters by Robert Nye. ISBN 0714525367. Published by Marion Boyars in 1975. Publication and catalogue information, links to buy online and reader comments.