1. Or 6724 Bum 4 Reference (shelfmark): Or 6724 Bum 4 Title: Sheldkar bKa' 'gyur, section 'Bum, Nga, vol. 4 Collection Area: Oriental Manuscripts Languages: Tibetan Date Range: 1712 Extent: 'Bum, Nga, vol. 4, 1b1-355a7