North Site, Engraved Sutra Cave, Sutra on the Descent of Maitreya, a-2
北响堂刻经洞《佛说弥乐下生成佛经》a-2
North Site | South Cave (Engraved Sutra Cave)
Northern Qi (550-577) | Buddhist Sutra
Volume 1 Figure 15:2 in book Xiangtangshan shiku beike tiji zonglu by Zhang Lintang and Xu Peilan
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