United States Copyright Office, Catalog of Copyright Entries/Third Series… (1974)
“ Vignette: allegorical male figure seated, holding gear and compass in one hand, scroll in other. By Lawrence Fors. © G5536. 30May47; Security-Columbian Banknote Company, division of United States Banknote Corporation (PWH) ; 3Jul74; R581860. R581861.R581861. Vignette: allegorical female figure seated, holding scroll and telephone. By Lawrence Fors. © G5537. 30May47; Security-Columbian Banknote Company, division of United States Banknote Corporation (PWH) ”
