TY  - SER
AU  -  Hume, David, 
TI  -  An Enquiry Concerning Human Understanding 
AV  - B 
PY  - 2006///
PB  -  Project Gutenberg, 
KW  -  Knowledge, Theory of
KW  -  Ethics
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/9662
ER  -