Kelten

The Celtic Empire: the first millennium of Celtic history, 1000 BC-AD 51

Peter Berresford Ellis.

The Celtic realms

Myles Dillon and Nora Chadwick.

The Celtic year: a month-by-month celebration of Celtic Christian festivals and sites

Shirley Toulson.

The Celts

[by] Nora Chadwick. With an introductory chapter by J. X. W. P. Corcoran.

Celtic from the West 2: rethinking the Bronze Age and the arrival of Indo-European in Atlantic Europe

edited by John T. Koch and Barry Cunliffe

Celtic Key Patterns (Celtic Interest)

Bain, Iain.

Celt and Greek: Celts in the Hellenic World (Celtic Interest)

Peter Berresford Ellis

Pre-Christian Ireland: from the first settlers to the early Celts

Peter Harbison ; drawings by Edelgard Soergel-Harbison.

The Celtic churches: a history A.D. 200 to 1200

[by] John T. McNeill.

Celtic mythology

Proinsias Mac Cana.