Carolingian art /
Hubert, Jean,1902-1994.
Porcher, Jean.
Volbach, Wolfgang Fritz.
Emmons, James.
Gilbert, Stuart,1883-1969.
Allen, Robert.
London Thames & Hudson
1970
Originally published as 'L'Empire carolingien'. Paris: Gallimard, 1968
bibl p323-339
Art, Carlovingian.
Architecture, Carolingian.