| Introduction | |
| Chapter 1 | Mutual Aid Among Animals |
| Chapter 2 | Mutual Aid Among Animals (continued) |
| Chapter 3 | Mutual Aid Among Savages |
| Chapter 4 | Mutual Aid Among the Barbarians |
| Chapter 5 | Mutual Aid in the Mediaeval City |
| Chapter 6 | Mutual Aid in the Mediaeval City (continued) |
| Chapter 7 | Mutual Aid Amongst Ourselves |
| Chapter 8 | Mutual Aid Amongst Ourselves (continued) |
| Conclusion | |
| Appendix | I -- Swarms of Butterflies, Dragon-Flies, Etc. II -- The Ants III. -- Nesting Associations IV -- Sociability of Animals V -- Checks to Over-Multiplication VI -- Adaptations to Avoid Competition VII. -- The Origin of the Family VIII -- Destruction of Private Property on the Grave IX -- The Undivided Family X -- The Origin of the Guilds. XI -- The Market and the Mediaeval City XII -- Mutual-Aid Arrangements in the Villages of Netherlands at the Present Day |