Library of Congress classification schedules combined with additions and changes through 1986 Class L Education
| Awdur Corfforaethol: | |
|---|---|
| Awduron Eraill: | , , |
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Detroit
Gale Research Inc.
c1987.
|
| Pynciau: |