@book{36106,
	author = {United States. and Century of Progress International Exposition},
	title = {Labor through the century, 1833-1933.},
	publisher = {U.S. Govt. print. off.,},
	year = {1933.},
	series = {Bulletin ...},
	address = {Washington,},
	note = {Issued also as House doc. 160, 73d Cong., 2d sess.}
}