'dzam gling rgyas par bshad pa thag ring gsal bar mthong byed du rba na

or - 'dzam gling chen po'i rgyas bshad snod bcud kun gsal me long - the rare 1830 redaction of the monumental Tibetan work on the geography of the world; by the fourth btsan po no mon han sprul sku 'jam dpal chos kyi bstan 'dzin 'phrin las [RY]