John Locke (1956). “The Second Treatise of Government: (An Essay Concerning the True Original, Extent and End of Civil Government), And, A Letter Concerning Toleration”, p.20, Library of Alexandria
John Locke, Ruth Weissbourd Grant, Nathan Tarcov (1996). “Some Thoughts Concerning Education: And, Of the Conduct of the Understanding”, Hackett Publishing
John Locke (1759). “THE WORKS OF JOHN LOCKE, Esq;: In THREE VOLUMES. To which is Added, The LIFE of the AUTHOR; AND A COLLECTION of Several of His PIECES Published by Mr. DESMAIZEAUX.”, p.208
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, Ruth Weissbourd Grant, Nathan Tarcov (1996). “Some Thoughts Concerning Education: And, Of the Conduct of the Understanding”, Hackett Publishing
John Locke (1714). “The Works of John Locke Esq: In Three Volumes. The Contents of which Follow in the Next Leaf. With Alphabetical Tables. ...”, p.228
John Locke (1824). “The Works of John Locke: The reasonableness of Christianity. A vindication of the Reasonableness of Christianity, from Mr. Edward's reflections. A second vindication”, p.186
John Locke (1824). “Of human understanding. A defence of Mr. Locke's opinion concerning personal identity. Of the conduct of the understanding. Some thoughts concerning reading and study for a gentleman. Elements of natural philosophy. A new method of common-place-book”, p.264