TY - BOOK T1 - The nature of the "Bibliotheca" of Photius T2 - Dumbarton Oaks Studies (Dumbarton Oaks Center for Byzantine Studies) A1 - Treadgold, Warren T. 1949- LA - English PP - Washington PB - Dumbarton Oaks [etc.] YR - 1980 UL - https://colectivo.uloyola.es/Record/T210433 OP - 206 CN - 278-5 Focio KW - Focio, : Patriarca de Constantinopla : ca. 810-ca. 893 ER -