1. Die Verehrung des hl. Severin von Köln Author/Creator: Zender, Matthias, 1907-1993 Publication/Creation: Köln : Rheinland-Verlag, 1985 Resource Type: Map Access & Availability: Loading
2. Europa, scala 1:4,000,000 Author/Creator: Studio Groma Publication/Creation: Rome : Giugno, [1991] Resource Type: Map Access & Availability: Loading
3. Atlas der wahren Namen etymologische Karte, Europa Author/Creator: Kalimedia (Firm) Publication/Creation: Lübeck [Germany] : Kalimedia, [2008] Resource Type: Map Access & Availability: Loading