CarlasonS.C.O. (1978) Charles XIV John, of Sweden and Norway. In: Encyclopaedia Britannica, 15th edn. Macropacdia vol 4, page 59. Encyclopaedia Britannica Inc., Chicago
2.
MartineauG. (1978) Madame Mère Napoleon's Mother.Translated from the French by Frances Partridge. Murray, London
