| 513130 |
Travel guide book publishers and printing combined |
| 513130 |
Travel guide book publishers, exclusively on Internet |
| 513130 |
University press publishers |
| 513130 |
University press publishers (except exclusive Internet publishing) |
| 513130 |
University press publishers, exclusively on Internet |
| 513140 |
Address list publishers |
| 513140 |
Address list publishers (except exclusive Internet publishing) |
| 513140 |
Address list publishers and printing combined |
| 513140 |
Business directory publishers |
| 513140 |
Business directory publishers (except exclusive Internet publishing) |