Letters of condolence to Phillip D. and Malvina Armour on death of their son, Phillip D. Armour, Jr. mostly from companies doing business with Armour & Co., most on company letterheads. Small amount are from personal friends. Collection includes one unidentified photo (carte de visit) of woman in nurse's uniform; taken in England.

Records of Armour Mission, Chicago, IL, 1881-1931. The collection includes records concerning church congregation membership and programs, official publications, financial records, real estate materials, and artifacts. These materials represent the only known official records of Armour Mission, a non-sectarian Christian church congregation and quasi-settlement house on Chicago's South Side in the late 1800s.