00543cam a2200181 4500 100354680 TxAuBib 20070420120000.0 100512s2010||||||||||||||||||||||||eng|u 32353 Project Gutenberg PGUSA eng TxAuBib Marks, Winston K. The Mind Digger [Gutenberg] / by Winston K., 1915-1979 Marks. Project Gutenberg, 2010. Project Gutenberg. Freely available. Electronic text. http://www.gutenberg.org/license Rights