Subject guide to reference books,
Wedi'i Gadw mewn:
| OCLC: | 580420 |
|---|---|
| Prif Awdur: | |
| Awdur Corfforaethol: | |
| Iaith: | English |
| Cyhoeddwyd: |
Chicago,
American library association,
1942.
|
| Pynciau: | |
| Fformat: | Monograph Note that CRL will digitize material from the collection when copyright allows. |