TY  - SER
AU  -  Darwin, Charles, 
TI  -  On the Origin of Species by Means of Natural Selection : :  
AV  - QH 
PY  - 2007///
PB  -  Project Gutenberg, 
KW  -  Natural selection
KW  -  Evolution (Biology)
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/22764
ER  -