1. Alexander, C. (1979). The timeless way of building (Vol. 1). New York: Oxford University Press.
2. Alexander, C. (2002a). The nature of order. An essay on the art of building and the nature of the universe: Book I The phenomenon of life. Berkeley, CA: The Center for Environmental Structure.
3. Alexander, C. (2002b). The nature of order. An essay on the art of building and the nature of the universe: Book II The process of creating life. Berkeley, CA: The Center for Environmental Structure.
4. Alexander, C. (2005). The nature of order. An essay on the art of building and the nature of the universe: Book III A vision of a living world. Berkeley, CA: The Center for Environmental Structure.
5. Alexander, C. (2004). The nature of order. An essay on the art of building and the nature of the universe: Book IV The luminous ground. Berkeley, CA: The Center for Environmental Structure.