The Orthodox Psalter - Fr. Lazarus Moore
The Liturgy of the Ethiopian Church - trans. Rev. Marcos Daoud
The Liturgy of the Ethiopian (Orthodox) Church - trans. Rev. Marcos Daoud (Routledge)
The Ethiopic Liturgy, Its Sources, Development and Present Form (1915) - Rev. Samuel Mercer
Jesus Christ in the Ethiopian Liturgy - Fr. Mebratu Kiros Gebru (academia.edu)
Matshafa Saatat - Book of Hours (Horologion for Night and Day) - Abba Giyorgis (Ge'ez)
Praises of the Cross, Weddase Masqal - Abba Giyorgis of Gasecca, ed. Getatchew Haile
Content Analysis of Mashafa Mawaset, MA Thesis (2012) - Berhanu Akal Abebe
The Meaning of the Trisagion in East and West - Armin Karim (academia.edu)
A Note - the Translation of the Trisagion
And Then Nicholas Sang: The Story of the Trisagion Hymn
A Child's Guide to the Divine Liturgy
Temple Roots of the Liturgy - Margaret Barker
Great High Priest: The Temple Roots of Christian Liturgy - Margaret Barker
Temple Theology: An Introduction - Margaret Barker
Parousia and Liturgy - Margaret Barker
Studies in Early Christian Liturgy and Its Context - Gabriele Winkler
Christian Worship: Postcolonial Perspectives - Michael N. Jagessar, Stephen Burns
Hymn of Entry - Archimandrite Vasileios
Ethiopian Liturgy - Live from the Ethiopian Orthodox Tewahedo Church
The Liturgical Year and the Lectionary of the Ethiopian Church - Emmanuel Fritsch
The Blessing of Waters and Epiphany: The Eastern Liturgical Tradition - Nicholas Denysenko
The Blessing of Waters and Epiphany: The Eastern Liturgical Tradition - Nicholas Denysenko (excerpt)
Epiclesis, Descent and Creation: Liturgy and Life in the Trinity - Nicholas Denysenko (academia.edu)
The Divine Liturgy: A Comentary in the Light of the Fathers - Hieromonk Gregorios
Ye That Stand in the House of the Lord - Archbishop Lazar Puhalo
Eucharist and Eschatology - Geoffrey Wainwright
Worship Traditions in Armenia and the Neighboring Christian East - ed. Roberta R. Ervine
The Liturgy of the Hours in East and West - Robert Taft, S..J.
Sacred Languages (Christianity section) - Wikipedia
Sacred Languages and Sacred Texts - John Sawyer
Ethiopian Christian Liturgical Chant & Historical Context - Gabe F. Scelta
Is Liturgical Reform Possible in Orthodoxy? - Nicholas Denysenko (academia.edu)
A Proposal for Renewing Liturgy in the Twenty-First Century - Nicholas Denysenko (academia.edu)
Liturgical Reform after Vatican II: The Impact on Eastern Orthodoxy - Nicholas Denysenko
A Short Note on the Ethiopian Church Music - Taddesse Tamrat
The Ethiopian Sistrum Tsenatsil - Timkehet Teffera Mekonnen (academia.edu)
Studien zur Athiopischen Kirchenmusik - Egon Wellesz