The Metropolitan Cantor Institute (MCI) website
The Order of Matins: Sundays and Feasts
The Hours and Typica for Ordinary Days
The Hours and Typica for Ordinary Days
The Hours and Typica for Days of Alleluia
Paraklesis, Office of Consolation to the Most Holy Theotokos
The Book of Hours (Casoslov) published by Eastern Christian Publications
Byzantine Daily Office – The Hours by Eastern Christian Publications (also available in the ECPubs app for iOS and Android)
Father Jack Custer's "how to" videos for the Book of Hours
Grail Psalms (St. John's Seminary)
Byzantine Catholic Seminary of Saint Cyril and Methodius – A Sample Prayer Rule