National Portrait Gallery (London). (1925). Illustrated list of the portraits: With 122 illustrations and an index of artists. Majesty's Stationery Office.
Chicago-Zitierstil (17. Ausg.)National Portrait Gallery (London). Illustrated List of the Portraits: With 122 Illustrations and an Index of Artists. London: Majesty's Stationery Office, 1925.
MLA-Zitierstil (9. Ausg.)National Portrait Gallery (London). Illustrated List of the Portraits: With 122 Illustrations and an Index of Artists. Majesty's Stationery Office, 1925.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.