O Say Can You See gathers together public domain legal and personal records, specifically in the following categories:
- All petitions for freedom cases originating in the D.C. Circuit Court sittings in Washington and Alexandria, 1800-1862
- Civil Cases involving African American families, 1800-1820
- Chancery Records involving African American families, 1800-1820
- Criminal Records involving African American families, 1800-1820
The project distributed under a Creative Commons license.