These are chiefly communications addressed by the Department of State to diplomatic and quasi-diplomatic representatives of the United States assigned abroad. These are part of the series known as 'Records Group 59' housed in the National Archives and Records Service.

Please inquire at Desk (Microfilm 11 M77, 175 reels). The documents are grouped by country, then arranged chronologically. The printed guide E183.7 .U553 1946x introduces the series, lists countries and representatives, and general roll contents.