He was Professor of economics at Columbia University from 1939 to 1989. The general correspondence in the collection deals with Barger's dissertation and writings in the area of economics. Included with the manuscript material are manuscripts of Myrdal's Prisbildningsproblemet och foranderligheten and Capital Consumption by F.A. Hayek. His work on various university committees includes minutes from meetings, offices held, involvement with students.
Course related materials include course syllabi and examinations.
His research notes include economic indicators for Europe, United States, some individual states, and developing nations. The printed materials consist of articles and editorial letters written by Barger as well as reprints related to the field of economics, many inscribed by their respective authors. Files 5 Europe, pt. 6 Europe, pt.