龙龛手鉴/ 龍龕手鑑 lóngkānshǒujiàn (also lóngkānshǒujìng) Chinese dictionary
A Chinese dictionary compiled by the Liao dynasty monk 行均 xíngjūn in 997 AD; originally titled 龙龛手镜 lóngkānshǒujìng, the name was changed to avoid a naming taboo. It is an important historical source for studying variant and Buddhist characters