Choice of subject headings
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Metuchen, N.J.
Scarecrow Press
c1980
|
| Rhifyn: | 3rd ed. |
| Cyfres: | His modern library practices series
no. 5 |
| Pynciau: |