TY  - SER
AU  -  Turner, Frederick Jackson, 
TI  -  The Frontier in American History 
AV  - E151 
PY  - 2007///
PB  -  Project Gutenberg, 
KW  -  United States -- History
KW  -  United States -- Territorial expansion
KW  -  Frontier and pioneer life -- United States
KW  -  Frontier thesis
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/22994
ER  -