Philosophers speak for themselves
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | 
        [Chicago]
          University of Chicago Press
    
        c1956.
     | 
| Rhifyn: | [2nd ed.]. | 
| Cyfres: | Phoenix books
              P8-P9             | 
| Pynciau: |