7 Pages in Charles Darwin's Library associated with "places - Pennsylvania"

The fruits and fruit trees of America.
By: Downing, Andrew Jackson.
Publication info: London :Wiley & Putnam,1845.
Pages: Page 254
A history of British birds.
By: Yarrell, William,
Publication info: London :John Van Voorst,1839.
Pages: Page 72 Page 72 Page 73 Page 73 Page 125 Page 125