Hensens, J. 1986. Qsours et Qasbas du Maroc. Réflexions sure l'Evolution de l'Habitat Rural Traditionnel. Singapore: Marka Print Pte Ltd.
A 38-page booklet published by the Aga Khan Award for Architecture on the occasion of the 1986 ceremony held in Marrakech, Morocco. The booklet deals with the earthen structures in the south of Morocco. Extensively illustrated with sketches and photographs.