Amazon.com description: Product Description: Allen Johnson (1870-1931) was an American historian, and Professor of history at Yale University. His books include: Stephen A. Douglas: A Study in American Politics (1908), Readings in American Constitutional History, 1776-1876 (1912), Union and Democracy (1915), The Historian and Historical Evidence (1926) and Readings in Recent American Constitutional History, 1876-1926 (1927). He was also editor of the Dictionary of American Biography and of Yale University Press' 50-volume Chronicles of America series. Johnson's Jefferson and His Colleagues (1921) appeared in that series.