The dtc.map file has abbreviations for DTC (Digital Typeface Corporation) fonts.
dhvc8rc SansBlackCondensed-DTC dhvco8rc SansBlackCondensed-Oblique-DTC dhvm8rx SansExtended-Medium-DTC dhvr8rx SansExtended-Regular-DTC dhvro8rc SansExtended-RegularOblique-DTC dhvx8rc SansExtraBlackCondensed-DTC dhvl8rx SansLightExtended-DTC dhvh8rc SansThinCondensed-DTC dhvho8rc SansThinCondensed-Oblique-DTC dnbb8r NewBaskerville-Bold-DTC dnbbi8r NewBaskerville-BoldItalic-DTC dnbri8r NewBaskerville-RomanItalic-DTC dnbr8r NewBaskerville-Roman-DTC dopr8r Optimum-Roman-DTC dopb8r Optimum-Bold-DTC dopbo8r Optimum-BoldItalic-DTC doro8r Optimum-RomanItalic-DTC dpll8r Palton-Light-DTC