Kampmann, Walter. W. Kampmann D.W.B. Maler und Graphiker (...) Neue Ideen fur Plakate, Inserate, Drucksache (...).

Fold. lithogr. advertising card, signed and "14" on front-p. and inside on the stone, tipped onto mount. Idem. W. Kampmann D.W.B. Werkstatt für Kunstgewerbe u. künstlerische Reklame (...). Fold. (3-panel) linocut and letterpress advertising card, frontpage handcol., n.d. (±1925), tipped onto mount.