Structural Models: An Introduction to the Theory of Directed Graphs
Frank Harary, Robert Z. Norman, Dorwin Cartwright
New York: John Wiley & Sons, 1965
Chapter 1. Digraphs and Structures
Chapter 2. Joining and Reaching
Chapter 3. Connectedness
Chapter 4. Point Bases
Chapter 5. Digraphs and Matrices
Chapter 6. Limited Reachability
Chapter 7. Removal of Lines: Vulnerability
Chapter 8. Removal of a Point
Chapter 9. Blocks
Chapter 10. Acyclic Digraphs
Chapter 11. Tournaments
Chapter 12. Locally Restricted Digraphs
Chapter 13 Balance in Structures
Chapter 14. Networks