https://archivesspace.library.nd.edu/repositories/3/digital_objects/1492
Letter, Rob[er]t [L.] and Martha Loughead, Philadelphia, Pennsylvania, to James A. Loughead,...
https://archivesspace.library.nd.edu/repositories/3/digital_objects/1543
Letter, Rob[ert] L. Loughead, Londonderry, Ireland, to Capt. James A. Loughead, Camden, New Jersey,...