George cohan was making psychology practical and profitable when he introduced the flag and flag-songs into his musical comedies.
"The Art of Public Speaking"
Dale Carnagey (AKA Dale Carnegie) and J. Berg Esenwein
George cohan made himself a millionaire before he was thirty by writing cheerful plays.
"The Art of Public Speaking"
Dale Carnagey (AKA Dale Carnegie) and J. Berg Esenwein
6. What George M. cohan Has to Say George M. cohan spent his boyhood on the vaudeville stage as one of "The Four cohans."
"Writing for Vaudeville"
Brett Page
