The collection consists of over 100 reels, divided into six parts. Part one includes the complete papers of Thomas Clarkson, William Lloyd Garrison, Zachary Macaulay, Harriet Martineau, Harriet Beecher Stowe, and William Wilberforce from the Huntington Library in California. Parts two and three reproduce the slavery collections of the Merseyside Maritime Museum, Liverpool. Part four reproduces the Granville Sharp Papers from the Gloucestershire Record Office. Part five reproduces the Papers of Thomas Clarkson from the British Library, London. Part six reproduces the Papers of William Wilberforce, William Smith, Iveson Brookes, Francis Corbin and related records from the Rare Books, Manuscript and Special Collections Library, Duke University.