New York: George Braziller Inc., 1968. — 289 p.
The Meaning of General System Theory.
Some System Concepts in Elementary Mathematical.
Advances in General System Theory.
The Organism Considered as Physical System.
The Model of Open System.
Some Aspects of System Theory in Biology.
The System Concept in the Sciences of Man.
General System Theory in Psychology and Psychiatry.
The Relativity of Categories.
Notes on Developments in Mathematical System Theory.
The Meaning and Unity of Science.
Suggestions for Further Reading.