The Long Walk to Freedom by 
George Washington and Slavery by 
The Experience of a Slave in South Carolina by Books:
You can do your own search for sources like these in the Schaffer Library catalog:
Here's an example: Use the advanced search and select the Library Catalog. Couple keywords (e.g. slave emancipation) together with the type of primary source you're looking for (e.g. account or narrative). Other types of primary sources might be diaries, journals, archives, speeches...Be creative and flexible with your search terms. 
Periodicals and Newspapers (digital and searchable):
