May, Thomas Erskine, Baron Farnborough, 1815-1886 Erskine May's Treatise on the law, privileges, proceedings and usage of Parliament. - 18th ed / editor Sir Barnett Cocks. - London : Butterworth, 1971. - xxxv,1108p. ISBN: 0406291012 Subjects--Corporate Names: Great Britain. Parliament --Rules and practice.