Frandsen, K.-E. (1969) “Michael Roberts: On Aristocratic Constitutionalism in Swedish History 1520 -1720. The Creighton Lecture in History 1965. University of London, The Athlone Press, 1966. iv + 45 s. 7 sh. 6 d”., Historisk Tidsskrift, 12. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/50823 (Set: 5 december 2025).