Educational exhibits, how to prepare and use them; a manual for extension workers
Wedi'i Gadw mewn:
| OCLC: | 16741189 |
|---|---|
| Prif Awdur: | |
| Iaith: | English |
| Cyhoeddwyd: |
Washington,
U.S. Govt. Print. Off.,
1948.
|
| Cyfres: | Miscellaneous publication (United States. Dept. of Agriculture).
no. 634. |
| Pynciau: | |
| Fformat: | Dogfen y Llywodraeth Monograph Note that CRL will digitize material from the collection when copyright allows. |