Title: A Pattern Language
Author: Christopher Alexander, Sara Ishikawa, Murray Silverstein et.al.
Publisher: Center for Environmental Structure, Berkeley.
Alexander, C. et. al. (1977). A Pattern Language: Towns, Buildings, Construction. New York: Oxford University Press.
Section 3: City Country Fingers (pp. 21-25)
Section 51: Green Streets (pp. 266-269)
Description: This is one of the first attempts at a universal code for urbanism. It consists of a vocabulary of 'patterns'. Some are supportive of neighborhood structure.
Assessment: This is one of the finest comprehensive codes ever written, although it does not easily 'plug-in' to a legal apparatus.