| Title | Gray squirrel ; Sciurus carolinensis. |
| Source | New York Public Library Digital gallery |
| Date | 1870 |
| URL | http://digitalgallery.nypl.org/nypldigital/dgkeysearchdetail.cfm?trg=1&strucID=691429&imageID=823686&word=squirrels&s=1¬word=&d=&c=&f=&k=0&lWord=&lField=&sScope=&sLevel=&sLabel=&total=58&num=0&imgs=20&pNum=&pos=3 |
| Origin | internet |