Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
site header image

Philosophy: A Research Guide

Free Online Books on Philosophy

Some of the writings of many of history's most important philosophers are available online for free download.  Please see the following partial list of such books:


Plato's Writings:

Volume 1 ; Volume 2 ; Volume 3 ; Volume 4 ; Volume 5 ; Volume 6.

 

Boethius:
The Consolation of Philosophy 


The Writings of Philo of Alexandria (Philo Judaeus):

Volume 1 ; Volume 2 ; Volume 3 ; Volume 4.


Saint Augustine:

Volume 1 ; Volume 2 ; Volume 3 ; Volume 4 ; Volume 5 ; Volume 6 ; Volume 7 ; Volume 8.


Immanuel Kant:

Metaphysical Works.

Critique of Practical Reason.

 

The Writings of David Hume:

Volume 1 ; Volume 2 ; Volume 3 ; Volume 4.

 

The Writings of John Locke:

Volume 1 ; Volume 2 ; Volume 3 ; Volume 4 ; Volume 5 ; Volume 6 ; Volume 7 ; Volume 8 ; Volume 9 (not available) ; Volume 10.


Confucius
The Sayings of Confucius