Sommaire des archives extrait de  Records of the Army Air Forces [AAF] (Record Group 18) 1903-64 (bulk 1917-47) 18.1 ADMINISTRATIVE HISTORY 18.2 GENERAL RECORDS OF THE OFFICE OF THE CHIEF SIGNAL OFFICER 1914-18 18.2.1 General records 18.2.2 Records of the Planning Section of the Equipment Division 18.2.3 Records of the Balloon Section of the Air Division 18.3 RECORDS OF THE DIVISION OF MILITARY AERONAUTICS 1914-19 13 lin. ft. 18.3.1 General records 18.3.2 Records of the Information Section 18.3.3 Records of the Radio Branch of the Training Section 18.4 RECORDS OF THE BUREAU OF AIRCRAFT PRODUCTION 1917-21 342 lin. ft. 18.4.1 Records of the Administration Division 18.4.2 Records of the Production Division 18.4.3 Records of [ ... ]