Carton 1
Correspondence 1941
Lecture Notes “400 Years of Mapmaking” 1939
Lecture “On the Development of Cartographie” 1936
Manuscript “Maps and Their Makers Through the Centuries” 1944
Miniature World Atlas in Dutch undated
Photographs of the Mapmaking Process undated
Publicity of Cartographic Exhibition in Bijenkorf 1937
Various stamps mounted on board undated