This folder contains correspondence between Edwin G. Clarke, a musician and later the business manager of John Philip Sousa's band, and Frank McGrann. It also contains: Bridges' high school certificate of final examination dated April 20, 1915; certificate of training at Camp Zachary Taylor, March 16, 1918; orders for Bridges to report for military duty at the Field Artillery Control Officers Training (F.A.C.O.T.), dated October 30, 1918 (with the roster of his training class certificate of instruction from the unit; union cards dated June 1, 1919 and October 1, 1919 issued as a member of the "Musicians' Protective Union, Local no. 282, A.F. of M" [American Federation of Musicians] of Alton, Ill.