J. Zellner, n.d., Backlist for "Mauch Chunk and its Surroundings, photographed and published by James Zellner, Expressly for Charles F. Schneur, Switch-Back Bazaar, Mansion House, Mauch Chunk, PA.", Stereocard, back, Private collection of Joan Hostetler, LL/106726

J. Zellner, n.d., Backlist for "Scenery on the Lehigh Valley R.R. The Direct and Favorite Line between Buffalo, New York and Philadelphia. Photographed and Published by James Zelner, Stereoscopic Artist, Cor. Race and Susquehanna Sts., Mauch Chunk, PA.", Stereocard, back, Private collection of Ira Stein, LL/106691