@book{42764,
	author = {Marshall, Alfred, and Keynes, John Maynard, and Royal Economic Society (Great Britain)},
	title = {Official papers /},
	publisher = {Published for the Royal Economic Society by Macmillan,},
	year = {1926.},
	address = {London :},
	note = {Editor's preface signed: J.M. Keynes.}
}