SHELDON, ROY.
Consumer engineering; a new technique for prosperity, by Roy Sheldon and Egmont Arens. Decorations by George Rupprecht.
SHELDON, ROY. Consumer engineering; a new technique for prosperity, by Roy Sheldon and Egmont Arens. Decorations by George Rupprecht. © 3Feb32; A48324. Roy Sheldon & Egmont Arens (A); 13Mar59; R233152.
Roy Sheldon & Egmont Arens|A