1. Alterations in the written commentary in 'Diary' Record type: document Document type: book excerpt Number of pages: 1 Related films: Dagboek (Triptych north-south, part one: diary) — van der Keuken, Johan — Netherlands — 1972
2. Johan van der Keuken: North South series Record type: document Document type: program note Number of pages: 1 Related films: Dagboek (Triptych north-south, part one: diary) — van der Keuken, Johan — Netherlands — 1972Het witte kasteel (Triptych north-south, part two: the white castle) — van der Keuken, Johan — Netherlands — 1973De nieuwe ijstijd (Triptych north-south, part three: the new ice age) — van der Keuken, Johan — Netherlands — 1974