@book{35859,
	author = {Hoffman, Frederick L. and International Joint Conference Council of the Printing Industry.},
	title = {Health survey of the printing trades, 1922 to 1925,},
	publisher = {Govt. print. off.,},
	year = {1927.},
	series = {Bulletin of the United States Bureau of labor statistics,},
	address = {Washington,},
	note = {At head of title:  U. S. Department of labor.  James J. Davis, secretary.  Bureau of labor statistics.  Ethelbert Stewart, commissioner.}
}