Ardalan, Nader. “The Visual Language of Symbolic Form: A Preliminary Study of Mosque Architecture”. In Architecture as Symbol and Self-Identity, edited by Jonathan G. Katz. Philadelphia: Aga Khan Award for Architecture, 1980.
Essay in "Architecture as Symbol and Self-Identity" proceedings of Seminar Four in the series Architectural Transformations in the Islamic World. Held in Fez, Morocco, October 9-12, 1979.