1. Alexander, C. (2001–2005a). The nature of order—An essay on the art of building and the nature of the universe, Book One: The phenomenon of life. The Center for Environmental Structure.
2. Alexander, C. (2001–2005b). The nature of order—An essay on the art of building and the nature of the universe, Book Two: The process of creating life. The Centre for Environmental Structure.
3. Alexander, C. (2001–2005c). The nature of order—An essay on the art of building and the nature of the universe, Book Three: A vision of a living world. The Centre for Environmental Structure.
4. Alexander, C. (2001–2005d). The nature of order—An essay on the art of building and the nature of the universe, Book Four: The luminous ground. The Centre for Environmental Structure.
5. Alexander, C., Ishikawa, S., Silverstein, M., Jacobson, M., Fiksdahl-King, I., & Angel, S. (1977). A pattern language: Towns, buildings, construction. Oxford University Press.