Trade-unions-Musicians-Idaho-Boise-Records.

Correspondence and records of Hiram A. Hart as secretary of the Musicians Protective Association of Boise, Idaho, Local 537 of the American Federation of Musicians; a directory (1927) of musicians in Local 537; correspondence with Joe N. Weber, president of the national union; union wage scales; and transfer cards showing where musicians traveled.

Minute book (1910-1915); cash book (1917-1922); one folder of correspondence, mostly circular letters from the national headquarters of the union (1928-1929); and miscellaneous records. Includes a draft of a letter explaining why Leon Smith and his Southern Syncopaters, a "colored" orchestra, were discouraged from joining the all-white Boise local.