This article is based on an address delivered at the 1956 Advocacy Institute at the University of Michigan. A re-examination of elementary principles, the discussion proceeds on the express assumption that much of the uncertainty and confusion in usa of the hearsay rule is unnecessary because it is due to failure to recall and employ these principles.
Reed, John W. "What Is This Thing Called Hearsay?" Mich. St. B. J. 36 (1957): 17-24.