Hundreds of recordings conducted between 1920 and 1940 are helping researchers learn more about the 10 million men, women and children enslaved in the United States.

"Good Morning America" co-anchor Michael Strahan visited Shankleville, a freedom colony in East Texas with roots that date back to the mid-1800s.

The 10 Million Names Project is working to recover the names of the 10 million people of African descent who were enslaved before 1865 in the present-day United States.

The historic '10 Million Names' project is working to identify every individual enslaved before 1865 in the present-day United States.