Wünschmanns Hof at Dittrichring 20a, ca. 1920

Wünschmanns Hof at Dittrichring 20a, the location of the Bettmann residence and private practice, ca. 1920
Wünschmanns Hof at Dittrichring 20a, the location of the Bettmann residence and private practice, ca. 1920