The following repositories house files created by GML which supplement the George M. Low Papers: 1. Federal Records Center, Suitland, MD; Volume: 8 cubic feet. Files at the Center contain correspondence and subject files created by GML during his early years with NASA.  Included are outgoing and incoming correspondence (1958-1961), and subject files (1959-1963) containing clippings, releases, photographs and contractor documentation pertaining primarily to Project Mercury. 2. NASA History Office, Washington, DC; Volume: approximately 16 cubic feet. The bulk of the GML papers at the History Office is composed of subject files which GML created during his tenure as Deputy and Acting Administrator.  Included are files on administrative issues, other agencies, programs and projects, etc.  The History Office has also collected speeches and photographs from GML's NACA and NASA career, and a portion of their NASA Administrator's chronological file  contains GML correspondence from 1971 to 1975. 3. NASA History Office, Johnson Space Center, Houston, TX; Volume: 2 boxes. Apollo historical files at the JSC History Office include Apollo Spacecraft Program Manager memoranda, 1967-1969.  These appear to be copies of GML's Apollo Notes to Dr. Gilruth.