Title: Raths & ruins /
Authors: Speer, Deirdre.; Bell, Muriel.
Publisher: Moyola Books,
Year: 1990
Subjects: Prehistoric peoples Northern Ireland Londonderry (County); Christian antiquities Northern Ireland Londonderry (County); Historic sites Northern Ireland Londonderry (County); Antiquities, Prehistoric Northern Ireland Londonderry (County); Londonderry (Northern Ireland : County) Antiquities.