アースキン・メイ (書籍)
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May, Sir Thomas Erskine (1924). Webster, Sir Thomas Lonsdale (ed.). A Treatise on the Law, Privileges, Proceedings and Usage of Parliament (英語) (13th ed.). London: Butterworth & Co. OCLC 831389178。
May, Sir Thomas Erskine (1946). Campion, Sir Gilbert (ed.). A Treatise on the Law, Privileges, Proceedings and Usage of Parliament (英語) (14th ed.). London: Butterworth & Co.
May, Sir Thomas Erskine (1950). Campion, Sir Gilbert, Lord Campion (ed.). Sir Thomas Erskine May's Treatise on the Law, Privileges, Proceedings and Usage of Parliament (英語) (15th ed.). London: Butterworth & Co.