Illustrated Catalogue of Photographic Outfits and Supplies No. 38, Sweet, Wallach & Co. (Chicago, IL), not dated, c.1915, ~7½"x10½", 144pp
Sweet, Wallach & Co.'s No. 35 Catalog is estimated to be c.1908-1910, so this catalog is probably c.1915. The cameras presented are mainly Eastman Kodak and Folmer & Schwing professional types.