In 1864, slave Annie Davis wrote the following letter to President Abraham Lincoln:
Belair [Maryland] Aug 25th 1864
It is my Desire to be free. to go to see my people on the eastern
shore. my mistress wont let me you will please let me know if we are
free. and what i can do. I write to you for advice. please send me
word this week. or as soon as possible and oblidge.