The Crowd: A Study of the Popular Mind and The Psychology of Revolution: Two Classics In One Volume
| Country | USA |
| Brand | Hal Leonard |
| Manufacturer | Meredith Music |
| Binding | Paperback |
| ItemPartNumber | illustrations |
| ReleaseDate | 2001-05-01 |
| UnitCount | 1 |
| UPCs | 000634030442 |
| EANs | 9780634030444 |