From age to age: how Christians have celebrated the Eucharist

Emerging Christianity : the first century

The domestic church : 100-313

The rise of the Roman Church : 313-750

The Germanization of the liturgy : 750-1073

Synthesis and antithesis as prelude to reform : 1073-1517

Reform and counter-reform : 1517-1903

Renewal, reaction, and an unfolding vision : 1903 to tomorrow.