John Locke, Ruth Weissbourd Grant, Nathan Tarcov (1996). “Some Thoughts Concerning Education: And, Of the Conduct of the Understanding”, Hackett Publishing
John Locke (1828). “An Essay Concerning Human Understanding: To which are Now First Added, I. An Analysis of Mr. Locke's Doctrine of Ideas, on a Large Sheet. II. A Defence of Mr. Locke's Opinion Concerning Personal Identity, with an Appendix. III. A Treatise on the Conduct of the Understanding. IV. Some Thoughts Concerning Reading and Study for a Gentleman. V. Elements of Natural Philosophy. VI. A New Method of a Common Place-book Extracted from the Author's Works”, p.35
John Locke, John W. Yolton (1977). “The Locke Reader: Selections from the Works of John Locke with a General Introduction and Commentary”, p.246, CUP Archive
John Locke, James Augustus St. John (1872). “Philosophical Works: Preliminary discourse by the editor. On the conduct of the understanding. An essay concerning human understanding”, p.391