literacies and communication; visual, material, and expressive culture; knowledge systems and expertise
- No Space Hidden: The Spirit of African American Yards. University of Tennessee Press. 2005 (Judith McWillie co-author)
- Signs of Diaspora / Diaspora of Signs: Creolization, Literacy, and Vernacular Practice in African America. Oxford University Press. 1998
- “Design on the World: Blackness and the Absence of Sub-Saharan Africa from the History of Garden and Landscape Design.” In John Beardsley, ed. Cultural Landscape Heritage in Sub-Saharan Africa, Washington, DC: Dumbarton Oaks (Harvard University Press), 2016, pp. 15-57.
"Give Me a Sign": Networks of Print & Practice in African America, 1770-1840. In Robert A. Gross and Mary Kelley, eds. A History of the Book in America, vol. 2., Chapel Hill: University of North Carolina Press, 2010, pp. 483-495.
- “Hidden Education among African Americans under Slavery.” Teachers College Record, pp. 1591-1611. 2007