https://www.digitale-sammlungen.de/de/view/bsb10209735?page=,1
'myriobiblon sive bibliotheca librorum quos legit et censuit photius' - Digitalisat | MDZ
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https://en.wikipedia.org/wiki/Bibliotheca_(Photius)
Bibliotheca (Photius) - Wikipedia
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https://www.encyclopedia.com/religion/encyclopedias-almanacs-transcripts-and-maps/photius-patriarch-constantinople
Photius, Patriarch of Constantinople | Encyclopedia.com
PHOTIUS, PATRIARCH OF CONSTANTINOPLE Patriarchate from Dec. 24, 858, to Sept. 25, 867, and from 878 to December 886; b. of a noble family in constantinople, c....
patriarch of constantinoplephotiusencyclopedia