Microfilm of ms. collection in the University of Notre Dame Archives.

Sponsored by the National Historical Publications Commission.

Accompanying guide: Guide to the microfilm edition of the Thomas Ewing, Sr., papers.

U.S. Senator from Ohio, Secretary of the Treasury in the Harrison and Tyler administrations, and Secretary of the Interior in the Taylor administration. Philemon Beecher Ewing of Lancaster, Ohio, an Ohio Supreme Court judge, was his son. John G. Ewing, professor at the University of Notre Dame and lawyer, was his grandson.