"Discourse on Discrimination between Middle and Extremes" (Toh. 4021) ascribed to Maitreyanatha (ca. 270-350). Included in the group of texts collectively known as "Five Treatises of Maitreya" (Tib.: byams chos sde lnga).
Extent and format of original material: 1r-8r.
Physical characteristics: Xylograph, Russian paper: 56 x 9,5 cm; inner frame 48 x 7 cm, black ink, 6 lines per page.
Volume and issue number: TT-08086.