Alfred Ehrhardt Triptis, Germany 1901 - 1984 Hamburg
Alfred Ehrhardt in News and Exhibitions
Berlin, Alfred Ehrhardt Foundation: Photographs by Alfred Ehrhardt and Rolf Tietgens
The Port of Hamburg in the 1930s
Alfred Ehrhardt in News and Exhibitions
Berlin, Alfred Ehrhardt Stiftung: Fotografien von Alfred Ehrhardt und Rolf Tietgens