61. National program of apprenticeship: by Wm. P. Patterson, director, Apprentice-Training Service, address delivered at annual convention of American Vocational Association, Los Angeles, Calif., Dec. 18, 1947. Bookmark Corporate/Agency Authors: Apprenticeship Bureau and Labor Dept. Publisher: Apprenticeship Bureau Date: [1947.] SuDoc number: L 23.8:P 27/18