[DENIS, LOUIS]. [Routes de France Nord-Est]. Paris, 1776-1780. Engraved key and 47 engraved folding maps with routes outlined in color, others additionally colored (one fully). 8vo, near contemporary vellum-backed paper boards; marginal spotting. Probably a compendium of maps from the Dictionnaire.... des routes de France, as suggested by a pencilled note on the introduction. Brunet II:596 (note).