Webster's new twentieth century dictionary of the English language, unabridged based upon the broad foundations laid down by Noah Webster
| Awduron Eraill: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
New York
Publisher's Guild
1964.
|
| Rhifyn: | 2nd ed. |
| Pynciau: |