The Crowd: A Study of the Popular Mind and The Psychology of Revolution: Two Classics In One Volume
| Country | USA |
| Brand | Defender |
| Manufacturer | Defender Publishing |
| Binding | Paperback |
| ItemPartNumber | illustrations |
| UnitCount | 1 |
| EANs | 9780990497455 |
| ReleaseDate | 0000-00-00 |