Wikipedia: Romanesque Architecture - An illustrated description of the style and lengthy list of surviving examples. - http://en.wikipedia.org/wiki/Romanesque_architecture
The Romanesque Art in Saintonge - The Charentes bears a rich testimony to the religious art of the 11th and 12th centuries. Illustrated descriptions of a few notable buildings from Bernezac travel guide. - http://www.bernezac.com/ArtRoman_uk.htm
The Architectural Heritage of the Normans - A gazetteer of Norman castles, abbeys, cathedrals and other churches in Normandy, the British Isles and Italy. Photographs, history and references for each can be found via clickable map or list. Part of a European Commission-backed project on the Normans - http://www.mondes-normands.caen.fr/angleterre/archi/index_archi.htm
Romanesque Architecture - Images and information on buildings in the round-arched style current in Europe from the 7th to 13th centuries and revived in the 19th century, provided by Great Buildings Online. - http://www.greatbuildings.com/types/styles/romansesque.html