Secretary of State of Air (March 1931). Report of the R. 101 Inquiry(PDF) (Report). London: His Majesty's Stationery Office. p. 7. Archived from the original(PDF) on 15 March 2012.
O'Brien, Ellen; Benedict, Lyle (June 2001). 1919, July 21: Dirigible (Balloon) Crash. Deaths, Disturbances, Disasters and Disorders in Chicago (Municipal Reference Collection) (Report). Chicago, IL: Chicago Public Library. Archived from the original on 13 December 2007. Retrieved 16 November 2014.
Shettle, M.L. (1997). United States Naval Air Stations of World War II: Western states. Vol. II. Bowersville, GA: Schaertel Publishing Co. p. 99. ISBN0-9643388-1-5. LCCN96-070565.
O'Brien, Ellen; Benedict, Lyle (June 2001). 1919, July 21: Dirigible (Balloon) Crash. Deaths, Disturbances, Disasters and Disorders in Chicago (Municipal Reference Collection) (Report). Chicago, IL: Chicago Public Library. Archived from the original on 13 December 2007. Retrieved 16 November 2014.
Secretary of State of Air (March 1931). Report of the R. 101 Inquiry(PDF) (Report). London: His Majesty's Stationery Office. p. 7. Archived from the original(PDF) on 15 March 2012.