Woodson, C. G. (1925). Free Negro heads of families in the United States in 1830: Together with a brief treatment of the free Negro. Washington, D.C: The Association for the Study of Negro Life and History.

Woodson, Carter Godwin. Free Negro Heads of Families in the United States in 1830: Together With a Brief Treatment of the Free Negro. Washington, D.C: The Association for the Study of Negro Life and History, 1925.

Woodson, Carter Godwin. Free Negro Heads of Families in the United States in 1830: Together With a Brief Treatment of the Free Negro. Washington, D.C: The Association for the Study of Negro Life and History, 1925.