Yehudi Menuhin, Alain Daniélou, Werner Stein, Fritz Winckel, William Kay Archer, Peter Crossley-Holland, J. K. Kwabena Nketia, Ki Mantle Hood, Willard Rhodes, Văn Khê Trâǹ, Joseph Hanson Kwabena Nketia
Artistic Values in Traditional Music. Proceedings of a Conference Held in Berlin from the 14th to the 16th July 1965. [Edited by Peter Crossley-Holland].
