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Subject
- Airports[remove]20
- Building7
- Civil rights7
- United States. Works Progress Administration7
- Airlines6
- Airports--Design and construction6
- Boycotts6
- City planning6
- Delta Air Lines6
- Labor unions6
- Protest movements6
- Southern Conference Educational Fund6
- Construction workers5
- Runways (Aeronautics)5
- African American civil rights workers4
- Runways (Aeronautics)--Maintenance and repair4
- African Americans--Civil rights3
- Special events2
- Tractors2
- Aircraft Owners and Pilots Association1