Publications comprise: Leica camera IIIc (12/1947, no. 1341), Imarect finder (3/1949, no. 1345), Focaslide (6/1948, no. 1346), Leica in Science [catalogue] (1/1934, no. 1206), Four Fine American Made Coated Lenses [Wollensak] (3/1949, no. 1343) and Leica Triple Event (n.d. [c.1947], no reference).