JR
James A. Rawley
James A. Rawley was professor of history emeritus at the University of Nebraska–Lincoln. He was a specialist in the American Civil War, American race-relations and the life of Abraham Lincoln. His The Transatlantic Slave Trade: A History (1981) was updated by Stephen D. Behrendt in 2005. The James A. Rawley Prize (OAH) is given in his memory by the Organization of American Historians for the best book on race relations, and the James A. Rawley Prize (AHA) is given in his memory by the American Historical Association for the best book in Atlantic history.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

The Politics of Union
1980
ISBN 9780803289024