Basic reference books an introduction to the evaluation, study, and use of reference materials with special emphasis on some 300 titles
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Chicago, Illinois
American Library Association
1939.
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| Rhifyn: | 2nd ed. |
| Pynciau: |