A letter concerning toleration ; Concerning civil government, second essay ; An essay concerning human understanding, by John Locke. The principles of human knowledge, by George Berkeley. An enquiry concerning human understanding, by David Hume.
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.
