Tsewang Norbu NGB by Cantwell, C, Mayer, R

“…However, the significance of such regional factors is not yet clear. While probably insignificant to the doxographical arrangements of texts within the editions (which of course reflects doctrinal thinking), regionality might however be of much greater significance in terms of the actual exemplars used for copying, and hence to transmissional and text-critical concerns of all kinds.…”