ROBERT WILLIAM BILLINGS
ALFRED FRANKLIN
ETIENNE EDMOND LUNET DE LAJONQUIERE
EUGENE EMMANUEL VIOLLET LE DUC
ROYAL COMM. ON HISTORICAL MONUMENTS
C. S. JACKSON
ROBERT WILLIAM BILLINGS
ALFRED FRANKLIN
ETIENNE EDMOND LUNET DE LAJONQUIERE
EUGENE EMMANUEL VIOLLET LE DUC
ROYAL COMM. ON HISTORICAL MONUMENTS
C. S. JACKSON