TY  - BOOK
AU  - Darwin,Charles
TI  - The Origin of Species by Means of Natural Selection: Or, the Preservation of Favoured Races in the Struggle for Life, 6th Edition
AV  - QH 
PY  - 1999///
PB  - Project Gutenberg
KW  - Natural selection
KW  - Evolution (Biology)
N1  - See also PG#1228 for the First Edition; Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/2009
ER  -