Charter of Prince Qaišan for Zha lu monastery: it exempts the monastery's guoshi from taxes and corvées on condition that he follow the path of Śākyamuni and pray, and obliges the monastery's subjects to supply oil for the lamps before Avalokiteśvara. Issued in the Year of the Snake at Jiramutu.
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Hugjiltu 呼格吉勒图; Sarula 萨如拉 (2004). A Collection of 'Phags-pa Monuments in Mongolian. Hohhot: Inner Mongolia People's Publishing House