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Subject
- United States. Navy--Officers.[remove]4
- Aeronautics.2
- Aeronautics--Competitions.1
- Air pilots.1
- Balloon racing.1
- Ballooning.1
- Boats and boating.1
- Eckener, Hugo, 1868-1954.1
- Flags--American.1
- German language.1
- Gordon Bennett Cup Race.1
- Graf Zeppelin (Airship)1
- Hangars.1
- Hawley, Alan Ramsay, 1869-1938.1
- International relations.1
- Los Angeles (Airship)1
- Music.1
- Post, Augustus, 1873-1952.1
- Salvage.1
- Seafaring life.1