John Spurr is Professor of History at the University of Swansea. He is the author of The Restoration of The Church of England 1646-1689 (Yale U.P., 1991), English Puritanism, 1603-1689 (Palgrave, 1998), and England in the 1670s: 'This Masqerading Age'(Blackwell, 2000). He has edited volume 1 (1677-85) of the forthcoming Roger Morrice's Entring Book, the last great unpublished seventeenth-century diary. He is at work on a history of oaths and swearing in the early modern period.