skos:altLabel | - 4
- C-54 Skymaster
- Douglas C-54
- Douglas C-54A Skymaster
- Douglas C-54A-DO
- Douglas DC-4 Skymaster
- Douglas R5D Skymaster
- DC-4
- DC4
- Douglas DC-4E
- C-54 \"Skymaster\"
- Canadair C-4 Argonaut
- Canadair Northstar
- DC-4 Skymaster
- DC-4 airliner
- DC-4-1009
- DC-4C
- DC-4s
- Douglas C-54 Skymaster/DC-4
- Douglas C-54A-1-DC (DC-4)
- Douglas C-54A-5-DO
- Douglas DC-4-1009
- Douglas DC-4-1009, C-54 Skymaster
- Douglas DC-4/C-54
- Douglas DC-4/C-54A-5-DO
- Douglas M-4
- Douglas R5D-1
- Douglas R5D-1/3 Skymaster
|