([Technical Committee on Supervision of Workers.]) [Text on p. 2 and 3 of cover. Illustrations contributed by Al Capp and are copyrighted.]
Notes:
([Technical Committee on Supervision of Workers.]) [Text on p. 2 and 3 of cover. Illustrations contributed by Al Capp and are copyrighted.] • Sent to Depository Libraries. Item 763
Availability:
* For Sale by Superintendent of Documents. Paper, 15c. and • Sent to Depository Libraries. Item 763