Albrectsen, E. (1971) “Richard Vaughan: John the Fearless. The Growth of Burgundian Power. London, Longmans, 1966. xiv + 320 s. 9 plancher. 7 kort. 42 sh”., Historisk Tidsskrift, 12. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/51191 (Set: 5 december 2025).