Selection of references used:
- 1: Antonia Fraser, Mary Queen of Scots
- 2: Richard Oram, The Kings and Queens of Scotland, ISBN:0-7524-3814-X
- 3: John J. Robinson, Born in Blood, ISBN:0-87131-602-1, M. Evans & Company / New York, Geoff Bath
- 4: John Timbs & Alexander Gunn, Abbeys, Castles and Ancient Halls of England & Wales (North), 1872, Frederick Warne & Co. (1872), Mine
- 5: Frank Barlow, The Feudal Kingdom of England
- 6: Alan & Veronica Palmer, Pimlico Chronology of Britsh History, ISBN:0-7126-7331-8
- 7: The Plantagenet Chronicles, ISBN:1-85501-685-0
- 8: Colin Platt, Medieval England, ISBN:0-7100-8815-9
- 9: John Gillingham, The Life and Times of Richard I, 1974, George Weidenfeld and Nicholson Limited (1974)