#1 Davis, Harold, (sometimes writes with his wife, Phyllis Davis), 1953- Google advertising tools (writes on photography, computers, software, algebra and many other things)
#2 Davis, Harold D. - Talks My Father .....
#3 Davis, Harold, 1958- The Starrigans of Little Brook Bottom
#4 Davis, Harold A. 1911- Descendants of Thomas .....
#5 Davis, Harold, 1933- Tougher than bullets
#6 Davis, Harold T. (Harold Thayer), 1892-1974. Philosophy and modern science
#7 Harold Davis, 1902 - Poems by the Four of Us