TY  - BOOK
AU  - Darwin,Charles
TI  - The Descent of Man, and Selection in Relation to Sex
AV  - QH 
PY  - 2000///
PB  - Project Gutenberg
KW  - Human beings -- Origin
KW  - Sexual selection in animals
KW  - Sex differences
KW  - Evolution (Biology)
KW  - Sexual dimorphism (Animals)
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/2300
ER  -