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Sex differences

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Cover of The Descent of Man, and Selection in Relation to Sex

The Descent of Man, and Selection in Relation to Sex

Charles Darwin

3.1
Cover of The Descent of Man and Selection in Relation to Sex, Vol. I

The Descent of Man and Selection in Relation to Sex, Vol. I

Charles Darwin

4.9
Cover of The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition)

The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition)

Charles Darwin

3.6
Cover of Married Love: A New Contribution to the Solution of Sex Difficulties

Married Love: A New Contribution to the Solution of Sex Difficulties

Marie Carmichael Stopes

4.0
Cover of 'Oh, Well, You Know How Women Are!'

'Oh, Well, You Know How Women Are!'

Irvin S. (Irvin Shrewsbury) Cobb

2.7
Cover of The Tinder-Box

The Tinder-Box

Maria Thompson Daviess

3.5