(2) The American Yawp is licensed under CC BY-SA 4.0 .

(3) Park Ethnography Program African American Heritage and Ethnography by the National Park Service is in the Public Domain .

(4) The American Revolution by the National Park Service is in the Public Domain .

(5) U.S. History by The Independence Hall Association is licensed under CC-BY 4.0

(6) The Interesting Narrative of the Life of Olaudah Equiano, Or Gustavus Vassa, The African: Written By Himself by Olaudah Equiano is in the Public Domain .

(7) A Journal of a Voyage Made in the Hannibal of London by Thomas Phillips is in the Public Domain .

(8) Prayer by John A. Lomax (Collector) has no known copyright restrictions.

(9) Go Preach My Gospel by John A. Lomax (Collector) has no know copyright restrictions.

(10) Jesus, My God, I Know His Name by John A. Lomax (Collector) has no know copyright restrictions.

(11) U.S. History by OpenStax is licensed under CC BY 4.0

(12) Boundless US History by Lumen Learning is licensed under CC-BY-SA 4.0

(13) David Walker, Walker’s Appeal (Boston: David Walker, 1830) taken from http://docsouth.unc.edu/nc/walker/walker.html/en-en/menu.html is in the Public Domain .

(14) A Memorial of William Lloyd Garrison from the City of Boston by Boston (Mass.) City Council is in the Public Domain .

(15) “Felix” (Unknown) Slave Petition for Freedom (January 6. 1773) in The Appendix: or Some observations on the expediency of the petition of the Africans living in Boston… , by Lover of constitutional liberty is in the Public Domain .

(16) Petition for freedom to the Massachusetts Council and the House of Representatives, January 1777 by Massachusetts Historical Societyis in the Public Domain .

(17) Slow Drag Work Song by John A. Lomax (Collector) has no known copyright restrictions.

(18) Long Hot Summer Day by John A. Lomax (Collector) has no known copyright restrictions.

(19) Sergeant A.M. Chandler of the 44th Mississippi Infantry Regiment, Co. F., and Silas Chandler, family slave, with Bowie knives, revolvers, pepper-box, shotgun, and canteen by Library of Congress is in the Public Domain .

(20) Letters from Spotswood Rice are in the Public Domain.

(21) Letter to President Lincoln by Hannah Johnson is in the Public Domain.

(22) My Life in the South by Jacob Stroyer is in the Public Domain.

(23) Letter to the Editor of the Christian Recorder (May 10. 1864) by George W. Hatton from the archives of Mother Bethel Church is in the Public Domain.

(24) Black Residents of Nashville to the Union Convention by Unknown persons in Paying Freedom’s Price: A History of African Americans in the Civil War by Paul David Escott (pp 144-146) is in the Public Domain.

(25) “I Hope to Fall With My Face to the Foe” by Lewis Douglass is in the Public Domain .

(26) Selections from the WPA interviews of formerly enslaved African Americans on Slavery from the Works Progress Administration is in the Public Domain.

(27) Maryland Slave to the President by Annie Davis is in the Public Domain.

(28) Selections from the WPA interviews of formerly enslaved African Americans on Being a Civil War Soldier from the Works Progress Administration is in the Public Domain .

(29) Thirty Years a Slave: From Bondage to Freedom by Louis Hughes is in the Public Domain.

(30) Selections from the WPA interviews of formerly enslaved African Americans on Emancipation by the Works Progress Administration is in the Public Domain .