How to prepare visual materials for school use.
| Author/creator | Horn, George F. |
| Format | Book |
| Publication Info | Worcester, Mass. : Davis Publications, [1963] |
| Description | 73 pages : illustrations ; 26 cm |
| Subjects |
| LCCN | 63015028 |
| Author/creator | Horn, George F. |
| Format | Book |
| Publication Info | Worcester, Mass. : Davis Publications, [1963] |
| Description | 73 pages : illustrations ; 26 cm |
| Subjects |
| LCCN | 63015028 |