Letters : Nicholas I Patriarch of Constantinople. Greek text and Engl. transl. by R. J. H. Jenkins and L. G. Westerink
| Egile nagusia: | |
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| Beste egile batzuk: | , |
| Formatua: | Liburua |
| Hizkuntza: | German |
| Argitaratua: |
Washington, D.C. :
Dumbarton Oaks Center for Byzantine Studies,
1973
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| Saila: | Corpus fontium historiae Byzantinae
6 Dumbarton Oaks texts 2 |
| Gaiak: |