Coat of Arms of Spain under Franco's Regime (1939-1945 1977). Bureaucratic Variant (Lesser Coat of Arms).
Andoni Esparza Leibar, Emblemata, 12 (2006), pp. 231-274, ISSN 1137-1056.
Luis Miguel Arias, Santiago Dotor, Historical Flags 1938-1945 (Spain). FOTW.
Heralder