Euchologion
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The Euchologion is one of the chief liturgical books of the Eastern Orthodox and Byzantine Catholic churches, containing the portions of the services which are said by the bishop, priest, or deacon. T
A private-use Euchologion produced by Eastern Catholics
A server holding the Archieratikon for the Russian Orthodox Patriarch of Moscow
Christ Pantocrator mosaic from Hagia Sophia 2744 x 2900 pixels 3.1 MB
Horologion
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The horologion or horologium, also known by other names, is the book of hours for the Eastern Orthodox and Eastern Catholic Churches. It provides the acolouthia, the fixed portions of the Divine Servi
Horologion in Romanian