Curated OER
National Park Service: The American Civil War: African Americans
An overview of African American's contributions during the Civil War. Presents the history, contributions, and information on the Underground Railroad.
Other
Hart Island History: Ny State's Civil War "u.s. Colored Troops"
After a brief history of African-American regiments from New York, you can read about the United Stated Colored Troops in general, where they fought, how they were paid, and the number of casualties among the troops.