Demus Otto. Byzantine Mosaic Decoration: Aspects of Monumental Art in Byzantium

Boston: Boston Book & Art Shop, 1955. — 184 p.Foreword.
The classical system of Middle Byzantine church decoration.The theory of the icon.
Architectural and technical conditions.
The icon in space.
The ideal iconographic scheme of the cross-in-square church.
The three zones.
Formal unity.
History of the Middle Byzantine system.
Its sources.
Its development.
Its dissolution.
The provinces.
The imprint of the system on later art.
The re-emergence of pictorial space.
The spatial niche.
Physical space and flat composition.
Spatial compositions in flat projection.Notes.