@book{57056,
	author = {Anson, William Reynell and Knowlton, Jerome Cyril},
	title = {Principles of the law of contracts},
	publisher = {Callaghan and company},
	year = {1939.},
	series = {National textbook series.},
	address = {Chicago},
	edition = {revised and edited},
	note = {On cover: Anson on contracts. Patterson edition.}
}