References, Letter U

Ujhelyi, M. 2000. Social organization as a factor in the origins of language and music. In Wallin, Merker, & Brown, 2000.

Ulrich, H. 1957. Music: A design for listening. New York: Harcourt, Brace.

Unger-Hamilton, C. (Ed.) 1979. The music makers. New York: Harry N. Abrams.

Unwin, S. D. 2003. The probability of God: A simple calculation that proves the ultimate truth. New York: Three Rivers Press.