Gerhard, H. P. Welt der Ikonen / H. P. Gerhard [ i.e. Heinz Skrobucha ]. - 2nd. ed. 1963 - Recklinghausen : A. Bongers, c1957. - 225 p. : illus. (part col.) maps. ; 24 cm. Includes bibliographical references and indexes. Subjects--Topical Terms: Icons.Christian art and symbolism. LC Class. No.: N8187 / G47 1957