Library assistance to readers
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
London
Lockwood
[c1960]
|
| Rhifyn: | [3rd ed., rev. and enl.]. |
| Cyfres: | Crosby Lockwood's new librarianship series
2 |
| Pynciau: |