An Essay Concerning Human Understanding
John Locke
Published 1765
358 pages
Epistemology is the theory of knowledge. How do you know what you know, when is a belief justified, and can we be certain of anything at all? These books cover skepticism, evidence, truth and trust, questions that matter more than ever when information is everywhere. This list shows the ones you can read in full for free.
John Locke
Published 1765
358 pages
Herbert Spencer
1867 · 1895 edition
646 pages

William MacAskill, Krister Bykvist, Toby Ord
Published 2020
226 pages

James B. Glattfelder
Published 2019
662 pages
Owen Barfield
1881 · 1887 edition
118 pages

Klaas Landsman
Published 2016
276 pages

Bence Nanay
Published 2016
214 pages

Herman Cappelen, David Plunkett, Alexis Burgess
Published 2020
461 pages

David Atkinson, Jeanne Peijnenburg
Published 2017
238 pages

John Turri
Published 2016
128 pages

Vijay K. Jain
Published 2018
408 pages

Sorin Cerin
Published 2021
541 pages

Carmen Batanero, Egan J. Chernoff, Joachim Engel, Hollylynne S. Lee, Ernesto Sanchez
Published 2016
33 pages
James Beattie
Published 1827
306 pages
William James
Published 1893
1710 pages

Manuscripts and Archives Hamburg
Published 2018
462 pages

Sofia Miguens, Gerhard Preyer
2012 · 2013 edition
363 pages

Sorin Cerin
Published 2012
610 pages

James McCosh
1874 · 2009 edition
472 pages

Johannes Glückler
Published 2018
310 pages

George E. Yoos
2015 · 2016 edition
188 pages
Barry Sandywell
Published 1872
274 pages
Avi Sion
Published 2008
185 pages
Noah Porter
1869 · 1883 edition
714 pages