1. The American Symphony Orchestra at War: German-American Musicians and Federal Authorities during World War I;Levy;Mid-America,1989
2. Moral Fire
3. Jay, Mrs. William . “An Open Letter to Otto H. Kahn, Esq.” The Chronicle 4, no. 3 (November 1918).
4. Sound Diplomacy
5. Fletcher, Richard . “U.S. Agents are Underpaid.” The Chronicle 3, no. 5 (July 1918).