Personal Influence; the Part Played by People in the Flow of Mass Communications, by Elihu Katz and Paul F. Lazarsfeld. With a Foreword by Elmo Roper
Personal Influence. The Part Played by People in the Flow of Mass Communications. By Elihu Katz and Paul F. Lazarsfeld ... A Report of the Bureau of Applied Social Research, Columbia University
Medical innovation: a diffusion study. [By] James S. Coleman ... Elihu Katz ... Herbert Menzel, etc. (Second printing.).