An enquiry concerning the principles of natural knowledge, by Alfred N 71026 [Full title: An enquiry concerning the principles of natural knowledge] [Full author's name: Alfred North Whitehead] [Author: Alfred North Whitehead] [Link: https://www.gutenberg.org/7/1/0/2/71026] [File: 71026-h.htm] Thanks to Laura Natal Rodrigues (Images generously made available by Hathi Trust Digital Library.) Regards, Al