#1 Cooper, Dave, 1967- illustrator; full name David Charles Cooper; Hector Mumbly is pseudonym (LC 2007004178)
#2 Cooper, Dave (Dave A.), author of Colorado scrambles; also writes as David A. Cooper (LC 2009149198)
#3 Cooper, Dave, author of Staffordshire Regiments II.
#4 Cooper, Dave, author of His Master's Voice portable gramaphones.