Heerlen
Documentary about the municipality of Heerlen and its surroundings.
castles
Het bedrijf der Nederlandsche Basalt Maatschappij 'Zaandam' in Duitschland en Holland
Corporate film about the extraction, processing, and use of basalt by the Nederlandsche Basalt Maatschappij.
Salzburg's omgeving
Short film of the Austrian city Salzburg and the surrounding mountains. The film was made during the Willy Mullens's trip to Austria in the summer of 1921.