dentify each source as a primary source or a secondary source. “Harriet Tubman and the Underground Railroad” (an article retrieved from nps. gov, March 11, 2017) "The Negro Moses". The Columbian (Bloomsburg, PA), July 8, 1897, Page 2, Image 2, col. 3 a digital print of an entry from the diary of William Still, an African American abolitionist, 1821–1902. The Abolitionist Movement by Claudine L. Ferrell, published by Greenwood Publishing, 2006