External cover title: 淨壇二宮科 [jngtan ergong ke ]. Ceremony to hold a lamp ritual, mainly aiming at the Dipper gods, ensuring the fortune and longevitiy of the host. Date(s) claimed in the manuscript: 太歲庚午年七月上旬初十抄完. Calendar note: Stem-branches system or 60-years cycle: Two plausible dates: 193...
