Stewf:
Spanjer Brothers, Inc., Guide to Better Signs, Catalog 41, 1941
Stewf:
“Shop Fronts”, by Jacques Debaigts, Architectural Book Pub. Co., NY, 1974
Stewf:
Lettering for Advertising, Mortimer Leach, 1959 (1st ed, 1956) with original student work from Barry Frost
Stewf:
Headliners One Liner Specimens of Photoprocess Lettering, 1962 flipthrough