00615cam a2200205 4500 614862035 TxAuBib 20221231120000.0 221230s2022||||||||||||||||||||||||eng|u 69665 Project Gutenberg PGUSA eng TxAuBib Hamilton, Edmond. The knowledge machine [Gutenberg] / Edmond Hamilton. Project Gutenberg, 2022. Project Gutenberg ; 69665 Public domain in the USA. Electronic text. Project Gutenberg ; 69665. http://www.gutenberg.org/ebooks/69665 TXTLL