May, T.E., Erskine May’s Treatise on The Law, Privileges, Proceedings and Usage of Parliament, 20 éd., sous la direction de sir C. Gordon, Londres : Butterworths, 1983; 21 éd., sous la direction de C.J. Boulton, 1989; 22 éd., sous la direction de sir D. Limon et W.R. McKay, 1997; 23 éd., sous la direction de sir W. McKay, LexisNexis UK, 2004.
May, T.E., Erskine May’s Treatise on The Law, Privileges, Proceedings and Usage of Parliament, 20th ed., edited by Sir C. Gordon, London: Butterworths, 1983; 21st ed., edited by C.J. Boulton, 1989; 22nd ed., edited by Sir D. Limon and W.R. McKay, 1997; 23rd ed., edited by Sir W. McKay, LexisNexis UK, 2004.