- National Aeronautics and Space Administration. Goddard Space Flight Center. 5/1/1959-
- National Archives at College Park - Still Pictures
The original finding aid described this as: Description: DR. CHRISTYL JOHNSON OFFICIAL PORTRAIT Goddard Space Flight Center Deputy Director for Technology and Research Investments Photographer: BILL HRYBYK Date: 2/3/2011 Job Number: 2011-01001-0 Preservation Copy: .tif.
- Magnetic Disk