 In the entry above, we Follow the convention given in the Nortons’ Treatise and Beauchamp’s Enquiries: we cite Book . Part . Section . Paragraph; followed by page references to the Selby-Bigge/Nidditch editions. Thus T,1.2.3.4/ 34: will indicate Treatise Bk.1, Pt.2, Sec.3, Para.4/ Selby-Bigge pg.34. References to the Abstract [TA] are to the two editions of the Treatise mentioned above (paragraph/page). In the case of the Enquiries I cite Section and Paragraph; followed by page reference to the Selby-Bigge edition. Thus EU, 12.1/ 149 refers to Enquiry Concerning Human Understanding, Sect.12, Para. 1 / Selby-Bigge pg. 149.