The Lord and Related Families subseries contains correspondence, genealogical information, and personal materials of the Lord, Strickland, Veazie, Upham, families. Of note are letters of Daniel Walker Lord pertaining to his shipping and other businesses in Maine, documents relating to Lord family real estate and business assets, and the papers of Mary P. Lord, who was a missionary with a Dakota Indian tribe in the late 1800s. These papers include correspondence from the Indian Rights Association and people active the Indian rights movement such as Thomas L. Riggs, and Mary C. Collins, and booklets translated by Lord from English into the Dakota language.