Interest of the United States in preserving peaceful relations between Afghanistan and Pakistan regarding jurisdiction over the North-West Frontier Province and the Tribal Areas 1
1. For occasional reference to this subject, see Foreign Relations, 1948, vol. v, Part 1, pp. 265 ff. The principal documentation of the Department of State on this subject for the years 1947–1949 is in files 745.90H, 745F.90H, and 745F.90H15.
 The Director of the Office of South Asian Affairs ( Mathews ) to the Assistant Secretary of State for Near Eastern, South Asian, and African Affairs ( McGhee )