The validity which each of the world religions accords to other religions.
| Egile korporatiboa: | , , , | 
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | The Hague
          W. Junk
    
        1968. | 
| Saila: | World Academy of Art and Science Occasional paper
              1 | 
| Gaiak: |