Introduction 207 "TACL": A simple computer tool to facilitate terminological analysis of Chinese Buddhist texts 208 Materials 209 CHINESE EVIDENCE 210 External evidence for the date and ascription of P-Suv 210 Sources of P-Suv 211 Sources of P-Suv-yezhang 211 Sources of P-Suv-dhārani 214 Sources of P-Suv-yikong 222 Sources of P-Suv-trikāya 226 Two versions of a Mahāmegha-sūtra passage in the "Lifespan" chapter 226 Evidence for a layer of "Sui" authorship or revision in P-Suv 227 Summary and discussion 233