Paul Douglas Lockhart: Denmark, 1513 -1660. The Rise and Decline of a Renaissance Monarchy. Oxford University Press, 2007.

Frandsen, K.-E. (2009). Paul Douglas Lockhart: Denmark, 1513 -1660. The Rise and Decline of a Renaissance Monarchy. Oxford University Press, 2007. Historisk Tidsskrift, 109(1). Hentet fra https://tidsskrift.dk/historisktidsskrift/article/view/56405