S55: Dkar chag mthong bas yid 'phrog chos mdzod bye ba'i lde mig: a bibliography of Sa-skya-pa literature; prepared at the order of H.H. the Sakya Trizin, based on a complilation by the Venerable Khenpo Appey and contributions from other Sakyapa scholars
"the present publication reproduces a recent manuscript copy by rgan chos dar of a photocopy of a xerox belonging to Mr. E. Gene Smith" sa skya pa'i dkar chag [1987] (introduction);