The theory and practice of organized play
A.S. Barnes and company
by Wilbur P. Bowen and Elmer D. Mitchell
A.S. Barnes and company 1923 The theory and practice of organized play v. 2
Available at 2 libraries
by Wilbur and Elmer D. Mitchell
A.S. Barnes c1923 The theory and practice of organized play v. 1
Available at 5 libraries