1. Leech, Clifford, 1957, John Ford and the Drama of His Time, London
2. Horden, John (ed.), 1980, Samuel Halkett and John Laing, A Dictionary of Anonymous and Pseudonymous Publications in the English Language. Third (revised and enlarged) edition, 1475–1640, London
3. review of Foster 1989;Jackson;Shakespeare Survey,1991
4. Lipsius, Iustus, 1939, Two Bookes of Constancie Written in Latin by Iustus Lipsius, Englished by Sir John Stradling, ed. R. Kirk, New Brunswick, N J
5. Kenny, Anthony, 1982, The Computation of Style. An Introduction to Statistics for Students of Literature and Humanities, Oxford