Nr. 22 Specification: - 'Notes biographiques' by Theo van Doesburg (intended for R. Bergamin). - Draft letter to R. Bergamin, Madrid. - Notes on Roman Catholicism. - Notes for 'Kampf um den neuen Stil'. - Draft letter to A. Pronaszko and Ch. Aronson about photographs for an article on Polish architecture. - Draft text for a lecture in Barcelona and Madrid entitled 'L'esprit fondamentale de l'architecture contemporaine'. 1930. - Draft letter to Lotz about photographs for an article on Spanish architecture. - Draft article for Interieur 'Oude en moderne textielkunst'. - Draft letter to the editors of Hrvatska Revijq, Zagreb. - Draft letter on broken windows. - Draft letter on a wrongly executed window. 1930. - Draft testimonial for A. Elzas (in French and Dutch).