Is an excellent book by Edward T. Hall.
As usual I'm going to quote from a few pages:
One of the most important functions of territoriality is proper spacing, which protects against over-exploitation of that part of the environment on which a species depends for its living.
As numbers of animals in a given area increase, stress builds up until it triggers an endocrine reaction that acts to collapse the population.
Man's evolution has been marked by the development of the "distance receptors" - sight and hearing...
There is a general relationship between the evolutionary age of the receptor system and the amount and quality of information it conveys to the central nervous system. The tactile, or touch, systems are as old as life itself.
As Freud and his followers observed, our own culture tends to stress that which can be controlled and to deny that which cannot.
All works of art are created on a certain scale. Altering the size alters everything.
The present internal layout of the house... is quite recent. As Philippe Aries points out in Centuries of Childhood, rooms had no fixed functions in European houses until the eighteenth century.
Many of my European subjects observed that in Europe human relationships are important whereas in the United States the schedule is important.
The study of Japanese spaces illustrates their habit of leading the individual to a spot where he can discover something for himself.
Planning and renewal must not be separated; instead, renewal must be an integral part of planning.
Like the link between cancer and smoking, the cumulative effects of crowding are usually not experienced until the damage has been done.