In response to a comment by Marc at Celtic and Buddhist symbolism - triskelions, triskeles , here are some higher resolution scans of the images. Click to enlarge to full size and highest resolution.
Celtic Buddhism - Buddhism in pre-Christian Britain
Cauldron, Chalice and Grail Symbolism in Buddhism and Celtic Wicca
Numinous Symbolism - Pagan, Buddhist and Christian
Modern Buddhism: free eBook downloadable for Windows, Mac, Kindle, Sony Reader, Nook and Android