On the historical development of the liturgy

The problem and its solution

Domestic and congregational celebrations

The legacy of the synagogue

The impact of Hellenism

Variety and uniformity

Regional definition and influential centers

Transferal and blending

Liturgy and politics

Cathedral and monastery

The work of the individual

Language and nation

Development, persistence, hardening

Liturgical language and the vernacular

Priest and deacon

The ivy of poetry

The demands of personal piety

Reform and standardization

The limits of what we can know.