This series is one of a group that together represent the memoirs Col. Robert R. McCormick (1880-1955), editor and publisher of the Chicago tribune. These memoirs were originally presented as part of McCormick's weekly radio addresses, and were intended for eventual publication, but were never published. This series contains early published versions of each sections of the memoirs.

Colonel Robert R. McCormick's personal correspondence primarily for the years 1920-1955, as maintained by his secretaries.