Personal, 1919-1966 and undated

This series is comprised of Collins's personal correspondence as well as notes and files on his non-professional activities. Correspondents include members of Collins's family in Alabama, merchants in Maryland and Washington, D.C., and members of the Philosopher's Club, a group that Collins helped to found. Topics include travel plans, family news, and medical concerns. Three journal volumes describe developments on the farm (Harmony Hall) and briefly note Collins's reactions to world events such as the bombing of Pearl Harbor. Arrangement is alphabetical by folder heading.