# Oxford University Press, USA **Opening (not a real abstract):** An Essay Concerning Human Understanding by John Locke (First pubulished 1690) is a publication of the Pennsylvania State University. This Portable Document file is furnished free and without any charge of any kind. Any person using this document file, for any purpose, and in any way does so at his or her own risk. Neither the Pennsylvania State University nor Jim Manis, Faculty Editor, nor anyone associated with the Pennsylvania State University assumes any responsibility for the material contained within the document or for the file as an electronic transmission, in any way. An Essay Concerning Human Understanding by John Locke (First pubulished 1690), the Pennsylvania State University, Electronic Classics Series, Jim Manis, Faculty Editor, Hazleton, PA 18201-1291 is a Portable Document File produced as part of an ongoing student publication **Authors:** [[An Essay Concerning Human Understanding (Clarendon Edition of the Works of John Locke)]]