Royal treasures /
Steingräber, Erich.
Hansmann, Claus.
Hansmann, Liselotte.
De Haan, Stefan.
London : Weidenfeld & Nicolson,
1968.
Originally published as 'Das Schatzkammer Europas'. Munich : Hirmer, 1968.
Includes bibliography (p. 96-98) and index.
Art objects
Royal houses