Floto, Inga. “Richard Hofstadter: The Progressive Historians. Turner, Beard, Parrington. London, Jonathan Cape, 1969. Xviii + 498 S. £ 4.20.”. Historisk Tidsskrift 130 (januar 1, 1974). Set juli 10, 2020. https://tidsskrift.dk/historisktidsskrift/article/view/51520.