00643cam a2200193 4500 871787802 TxAuBib 20230624120000.0 230623s2023||||||||||||||||||||||||eng|u 71026 Project Gutenberg PGUSA eng TxAuBib Whitehead, Alfred North. An enquiry concerning the principles of natural knowledge [Gutenberg] / Alfred North Whitehead. Project Gutenberg, 2023. Project Gutenberg ; 71026 Public domain in the USA. Electronic text. Project Gutenberg ; 71026. http://www.gutenberg.org/ebooks/71026