"La Guyane Francoise, avec Partie de la Guyane Hollandoise: Suivant les Operations et les Cartes Recentes des Ingenieurs-Geographes Francois", Bonne, Rigobert
This map of French Guiana stretches from the Isla de Maraca in the south to past the Maroni River in the north. There is good detail of the rivers in the region, in addition to numerous coastal place names.