@book{1611,
	author = {May, Thomas Erskine, and Boulton, C. J.},
	title = {Erskine May's Treatise on the law, privileges, proceedings, and usage of Parliament.},
	publisher = {Butterworths,},
	year = {1989.},
	address = {London :},
	edition = {21st ed. /},
	note = {Title on half t.p.: The law, privileges, proceedings, and usage of Parliament.}
}