This series contains correspondence pertaining to all stages of the production of Daniel Williams's biography. Williams corresponded with a variety of people including George Grey Barnard and his wife Edna, other Barnard family and friends, publishers, and others in an effort to gain information on Barnard's family history. The most extenisive correspondence is with Harry Maule, a representative from Doubleday Doran & Company, the publishing firm that gave Williams a writing contract in 1938. The signed contract is included.

Williams also wrote to his wife, Jean, sharing with her the progress of his book, including notes taken after personal encounters/interviews with Barnard. Also included is a thank you letter from Barnard's daughter, Barbara, and correspondence from Williams's stenographer, Margaret Wormser.