“Chart of sources for Arthurian legends” – Graphite text with ink on paper – David Jones (1949) Image | April 29, 2019April 29, 2019 | Paul Greer via ayjay More in #MindMaps: Four Chakrasamvara Mandalas of the Vajravali Cycle. Tibet, U province, Asia Ngor monastery central Tibet. 15th century.London Underground map from 1908Russian Moon calendar, 17th century