Original: Sousa, John Philip. The Directorate. Wessenberg, F.W. Publisher. The John Church Co., 1894. Sousa, John Philip. Duet.
Traduction: Wessenberg, F.W. Editeur. Plate 10700-G.S.2, 10700-G.A.2. La Direction. 2 Guitares. Duo. Cincinnati. Le John Church Co., 1894.