Secret societies in Ireland.
Edited by T. Desmond Williams.
- Dublin, New York, Dublin, New York, Gill and Macmillan; Barnes & Noble Books Gill and Macmillan; Barnes & Noble Books [1973]
"Essays were originally delivered as the forty-fifth series of Thomas Davis lectures, organised under the aegis of Radio Eireann and broadcast between October 1970 and January 1971."