Delaware Conference on World Economic Development (3, 1952 - 4, 1953), Dorn, H., & Delaware Conference on World Economic Development. (1955). Practical and theoretical approaches to development problems: International cooperation in action, inter-departmental cooperation in research ; speeches and papers delivered at the third and fourth Delaware conference on world economic development, April 1952, October 1953. Univ. of Delaware Press.

Delaware Conference on World Economic Development (3, 1952 - 4, 1953), Herbert Dorn, and Delaware Conference on World Economic Development. Practical and Theoretical Approaches to Development Problems: International Cooperation in Action, Inter-departmental Cooperation in Research ; Speeches and Papers Delivered at the Third and Fourth Delaware Conference on World Economic Development, April 1952, October 1953. Newark, Del: Univ. of Delaware Press, 1955.

Delaware Conference on World Economic Development (3, 1952 - 4, 1953), et al. Practical and Theoretical Approaches to Development Problems: International Cooperation in Action, Inter-departmental Cooperation in Research ; Speeches and Papers Delivered at the Third and Fourth Delaware Conference on World Economic Development, April 1952, October 1953. Univ. of Delaware Press, 1955.