Rma-lho Sog shog gi Thu-sa-lag-chi A-rig tshang gi rus mdzod

History and geneaology of the A-rig Family of the Thu-sa-lag-chi Banner of the Mongolian tribe (shog) now based in the Henan Mongolian Autonomous County in Huangnan Prefecture, Qinghai Province. This family is among the Mongolian tribes in the Yellow River region of Qinghai and Gansu Provinces or Amdo (Tib. A-mdo), also referred to as the Rma-chuʼi lho rgyud Sog-po (Ch. Huanghe nan Menggu) or Rma-lho Sog shog; based on oral histories and written documents.