James Crouthamel: Bennett's New York Herald and the Rise of the Popular Press. Syracuse University Press, 1989, ISBN 0-8156-2461-1, JSTOR:j.ctv64h7cg: „The finished four-page Herald with its circulation of twelve thousand as in 1845 the most popular and profitable daily newspaper in the United States. Its niche was so secure that its success seemed almost inevitable. But Bennett was fifty years old, and his success had come very late, after many years of apparent failure. ...“
