Traffic department organization.
| Author/creator | Frederick, John H. |
| Format | Book |
| Edition | [1st ed.]. |
| Publication Info | Philadelphia : Chilton Co., [1956] |
| Description | xvi, 142 pages : illustrations ; 22 cm. |
| Subjects |
| Series | A Chilton book |
| LCCN | 56007880 |
| Author/creator | Frederick, John H. |
| Format | Book |
| Edition | [1st ed.]. |
| Publication Info | Philadelphia : Chilton Co., [1956] |
| Description | xvi, 142 pages : illustrations ; 22 cm. |
| Subjects |
| Series | A Chilton book |
| LCCN | 56007880 |