EUREGIO Maas-Rhein : Museen - Becker, Astrid, 1971-; EUREGIO (Society) (Köln : Rheinland-Verlag ; Bonn : In Kommission bei R. Habelt, 1982)
In Dutch, English, French, and German.
Keywords: Museums -- Directories -- Europe; Museums -- Directories -- Belgium; Museums -- Directories -- Netherlands; Museums -- Directories -- Germany (West).; Museums -- Directories -- Rhine River Valley