"When we find out an Idea, by whose Intervention we discover the Connexion of two others, this is a Revelation from God to us, by the Voice of Reason"
An Essay Concerning Humane Understanding [4th ed.]
I find over 22 entries in the ESTC (1700, 1706, 1710, 1715, 1721, 1726, 1731, 1735, 1741, 1748, 1753, 1759, 1760, 1765, 1768, 1775, 1777, 1786, 1788, 1793, 1795, 1796, 1798). See also the many abridgements issued in the period.<br>
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<u>An Essay Concerning Humane Understanding. In Four Books. Written by John Locke, Gent.</u> 4th edition, with large additions. (London: Printed for Awnsham and John Churchil, at the Black-Swan in Pater-Noster-Row; and Samuel Manship, at the Ship in Cornhill, near the Royal-Exchange, 1700) &lt;<a href="http://estc.bl.uk/R39072">Link to ESTC</a>&gt;&lt;<a href="http://gateway.proquest.com/openurl?ctx_ver=Z39.88-2003&res_id=xri:eebo&rft_id=xri:eebo:image:107140">Link to EEBO</a>&gt;<br>
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Searching in a Past Masters edition based on the 12th Edition of  Locke's <u>Works</u> and proofread against the 1959 Fraser edition.<br>
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Reading John Locke's <u>An Essay Concerning Human Understanding</u>, ed. Peter Nidditch (Oxford, Oxford UP, 1975)--against which I have checked the text searched in Past Masters. Note, Nidditch's text is based on 4th ed. of 1700.