5 Pages in Charles Darwin's Library associated with "people/references - Darwin CR ch 3"

Intermarriage.
By: Walker, Alexander.
Publication info: London :Churchill,1838.
Pages: Page 228 End Slip 2
On the domesticated animals of the British islands.
By: Low, David.
Publication info: London :Longman, Brown, Green & Longmans,1845.
Pages: Page 415 End Slip End Slip