Internal correspondence (South Slavic Choral Union) [9 Feb 1941-28 Feb 1941]

Reports from Serbian Church Choral Society „Nikolajević”, Mrkonjić Grad, Choral Society „Sloga”, Banja Luka, Choral Society "Jedinstvo" Banja Luka; letters from Serbian Church Choral Society „Nikolajević”, Mrkonjić Grad and Orthodox Church Choral Society „Pobratimstvo”, Sanski Most. Creator(s): South Slavic Choral Union.