in: , A. Heneka – František Janouch – Vilém Prečan – Jan Vladislav (ed.)A Besieged Culture. Czechoslovakia Ten Years after Helsinki, transl. Joyce Dahlberg – Richard Fischer – Erazim Kohák – Peter Kussi – Káča Poláčková-Henley – Marian Sling-Fagan – George Theiner – Ruth Tosková, Stockholm – Vienna: The Charta 77 Foundation – International Helsinki Federation for Human Rights, 1985, p. 75–78
Democracy without Opposition is Nonsense
interview, English, origin: 1990
in: East European Reporter 4, 1990, n. 3, p. 96–98