24.5 x 16.5 cm, green cloth hardcovers, viii, 720 pages, 758 pages & xvi, 888 pages. Text in German[ Fraktur], small traces of removed labels on spines, some brown spots/ foxing to edges cover and edges paper, interior clean and very good, overal in very good condition, see picture.
Unveränderter reprographischer Nachdruck der Ausgabe Regensburg 1867-1869. Scholarly three-volume reprint of Hergenröther’s standard work on Photius of Constantinople.