TY  - BOOK
AU  - Evans, Harold
AU  - Buckland, Gail
AU  - Lefer, David
TI  - They made America : from the steam engine to the search engine : two centuries of innovators
SN  - 9780316277662
SN  - 200306595
U1  - 609.2273 EVA 
PY  - 2004///
CY  - Boston, MA
PB  - Little, Brown
KW  - Inventions - United States - History
KW  - Inventors - United States - History
N1  - Includes bibliographical references (p. 473-481) and index
ER  -