一般注記At head of title: U.S. Department of Labor. James J. Davis, secretary. Bureau of Labor Statistics. Ethelbert Stewart, commissioner.
"Prepared by Mary A. [!] Conyngton of the U.S. Bureau of labor statistics. The documentary information for foreign countries was obtained through ... the U.S. Department of state; and the text matter for continental European countries was prepared by Peter A. Speek."--Acknowledgement.
Issued also as House doc. no. 426, 70th Cong., 2d sess.