00675cam a2200229 4500 150221648 TxAuBib 20080218120000.0 010315s2000||||||||||||||||||||||||eng|u 00008072 9781567113310 1567113311 TxAuBib Sproule, Anna. Thomas A. Edison. Woodbridge, Conn : Blackbirch Press, Inc., 2000. 64 : ill.col. 20010314. Edison, Thomas A Thomas Alva 1847-1931. Inventors. TXSTC