W. van der Kulk

• De trap
• Liedern van de zelfkant
• Main basse, roman
• On the theory of integrability of Sigma md-fields
• On the theory of integrability of S̲ [m over d]-fields
• On the theory of integrability of [epsilon superscript m subscript d]-fields
• Op last van Heeren Zeventien
• Willem van Iependall omnibus