This series includes correspondence belonging to Abby Williams Hill and her family, including her husband, Frank Hill, and her children, Romayne, Ione, Ina, and Eulalie. The series has been divided into six sub-series: Family, General, Congress of Mothers, Native American Correspondents, Tuberculosis, and Postcards.

Note that additional correspondence can be found in the series for the Bonnie Smolenski Collection on Abby Williams Hill.