Capek Four Plays: R. U. R.; The Insect Play; The Makropulos Case; The White Plague (World Classics) (Vol 1): Capek, Karel, Porter, Cathy: 9780413771902: Amazon.com: Books
R.U.R. and The Insect Play (Oxford Paperbacks) by Capek, K. & J. (1963) Paperback: Amazon.co.uk: Books