• The ganz revidierte Druck of Ferrari's wall map of Suriname: A unique example of Dutch-German cooperation in the field of educational cartography, Kartographische Nachrichten, 63 (2013), nr. 6, p. 311-319   pdf-formaat



• Generalization of school wall maps since 1840: From maps on the wall to wall maps, Kartographische Nachrichten, 66 (2016), nr. 4, p. 179-185   pdf-formaat