Incoming Resources
- A. Volk Verlag, Sole distributors for the U.S.A., MCA Music, Cologne, New York, c1968
- A. Volk Verlag, Sole distributors for the U.S.A., Leeds Music Corp., Cologne, New York, c1967
- A. Volk Verlag, sole distributors for the U.S.A.: Leeds Music Corp., Cologne, New York, 1966
- A. Volk Verlag, Sole distributor for the U.S.A., MCA Music, Köln, New York, c1961
- A. Volk Verlag, Sole distributors for the U.S.A., Leeds Music Corp., Cologne, New York, c1962
- A. Volk Verlag, Sole distributors for U.S.A, MCA Music, Cologne, New York, c1968