- Hartz, Louis. The Liberal Tradition in America; An Interpretation of American Political Thought Since the Revolution. New York: Harcourt, Brace, 1955.
- Hartz, Louis. The Liberal Tradition in America; An Interpretation of American Political Thought Since the Revolution. New York: Harcourt, Brace, 1955.
- Hartz, Louis. The Liberal Tradition in America; An Interpretation of American Political Thought Since the Revolution. New York: Harcourt, Brace, 1955.
- Hartz, Louis. The Liberal Tradition in America; An Interpretation of American Political Thought Since the Revolution. New York: Harcourt, Brace, 1955.
- Hartz, Louis. The Liberal Tradition in America; An Interpretation of American Political Thought Since the Revolution. New York: Harcourt, Brace, 1955.