Papers concerning the activities of Hawley's father James Henry Hawley (1890-1988) as a member of the Borah Memorial Statue Commission; correspondence between father and son (1949) concerning senators Bert H. Miller and Glen H. Taylor; and other material relating to Miller's campaign and senatorial career.

Correspondence relating to Hawley's law practice, including letters pertaining to the conspiracy trials of officers of the Western Federation of Miners for crimes associated with the dynamiting of the Bunker Hill and Sullivan concentrator at Wardner, Idaho, in 1899 and for the assassination of Frank Steunenberg in 1905; correspondence and reports relating to mining operations in which the Hawley family held an interest.