image caption from book: Cross at Neuadd Siarman near Builth, Brecknockshire
J. Romilly Allen (1847-1907)
1904
Internet Archive PDF file of book: Celtic art in pagan and Christian times (1904), p188 <a rel="nofollow" class="external autonumber" href="https://archive.org/stream/celticartinpagan00alleiala#page/188/mode/2up">[1]</a>