Caspar David Friedrich /
Börsch-Supan, Helmut.
Friedrich, Caspar David,1774-1840.
Twohig, Sarah.
London Thames and Hudson
1974
Translation of: 'Caspar David Friedrich'. [München], Munich : Prestel, 1973
Bibliography: p.181. - Includes index
Friedrich, Caspar David, 1774-1840.