| Agribusiness |
1974 |
Encyclopaedia Britannica |
216 ft. |
16mm |
|
sound |
| Environment |
1974 |
Barr |
|
16mm |
|
sound |
| Fine Arts And Humanities |
1974 |
ENCYCLOPEDIA BRITANNICA EDUCATIONAL CORP |
|
16mm |
|
sound |
| Personal Service |
1974 |
ENCYCLOPEDIA BRITANNICA EDUCATIONAL CORP |
|
16mm |
|
sound |
| Public Service |
1974 |
ENCYCLOPEDIA BRITANNICA EDUCATIONAL CORP |
|
16mm |
|
sound |
| Recreation - Hospitality - Tourism |
1974 |
ENCYCLOPEDIA BRITANNICA EDUCATIONAL CORP |
|
16mm |
|
sound |