James Hutton's Investigation of the Principles of Knowledge:

Volume 1

Volume 2

Volume 3

Attribution: The work reproduced in these files is in the public domain. These PDFs were created using images provided by the Albert and Shirley Small Special Collections Library of the University of Virginia (see the first page of each file for a citation and link to the source images).


Some excellent blogs in the philosophy of science, formal epistemology, and related fields: