Voss, W., Voss, H., Voss, G., Voss, W., Voss, P., Alberts, M., . . . Kube, R. (1940). Sammlung Belgard-Schivelbein. Berlin [u.a.].

Voss, Walter, Helga Voss, Grete Voss, Wanda Voss, Paul Voss, Manfred Alberts, Werner Voss, Else Kube, and Rudi Kube. Sammlung Belgard-Schivelbein. Berlin [u.a.], 1940.

Voss, Walter, et al. Sammlung Belgard-Schivelbein. Berlin [u.a.], 1940.