TY  - BOOK
AU  - Thoreau, Henry David
AU  - Pearson, Norman Holmes
TI  - Walden; or, life in the woods : : on the duty of civil disobedience / 
PY  - 1962///
CY  - New York : 
PB  - Holt, Rineheart and Winston, 
KW  - LITERATURA ESTADOUNIDENSE
KW  - ENSAYOS
ER  -