A letter concerning toleration, [translation of Epistola de tolerantia by William Popple], edited by Charles L. Sherman, is reprinted by arrangement with D. Appleton-Century

An essay concerning human understanding is reprinted from the edition collated and annotated by Alexander Campbell Fraser and published by Oxford University Press

An enquiry concerning human understanding, edited by L. A. Selby-Bigge, is reprinted by arrangement with Oxford University Press.