Nelson George (1994): «Cool as They Wanna Be» i cd-boksen , New York: Motown Record Co. Gerald Posner (2002): , New York: Random House, ISBN 0-375-50062-6. Carol Teegardin (1986): «Eddie Kendrick: once again, he's doing fine on cloud nine», i 6. april 1986. Harry Weinger (1994): «Sunshine on a Cloudy Day» i cd-boksen , New York: Motown Record Co. Otis Williams og Patricia Romanowski (1988, oppdatert 2002): , Lanham: Cooper Square, ISBN 0-8154-1218-5.