OAH Richard W. Leopold Prize
The OAH offers the Richard W. Leopold Prize every two years to the author or editor of the best book on foreign policy, military affairs, historical activities of the federal government, documentary histories, or biography written by a U.S. government historian or federal contract historian.
Further information on the prize and how to apply can be found on the OAH website: https://www.oah.org/awards/book-awards/richard-w-leopold-prize/