Workers Progress Association (WPA) in Oklahoma research:
- The New Deal – Volume One
- The New Deal – Volume Two
- Final Report on the WPA Program 1935-1943
- A New Deal For Oklahoma Bridge and Road Building in the Depression Era
- U.S. Work Projects Administration, Oklahoma: Final Report of Activities and Accomplishments. (Washington, D.C., 1943).
- Accomplishments: Works Progress Administration for Oklahoma.
Dust Bowl: The Southern Plains in the 1930s – Donald Worster