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 He has edited volume 1 (1677-85) of the forthcoming "Roger Morrice's Entring Book," the last great unpublished seventeenth-century diary.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.