- Elena, Queen, consort of Victor Emmanuel III, King of Italy, 1873-1952.2
- Flags.2
- Italy--History--March on Rome, 1922.2
- Mourning customs.2
- Nobile, Umberto, 1885-1978.2
- Pope.2
- Rome (Italy)--Social life and customs--20th century.2
- Agriculture--Italy.1
- Airports--Italy--Rome.1
- Airships.1
- Albert I, King of the Belgians, 1875-1934.1
- Alfonso XIII, King of Spain, 1886-1941.1
- Amundsen, Roald, 1872-1928.1
- Apennines (Italy)1
- Archaeology.1
- Architecture, Roman.1
- Architecture--Italy.1
- Art works.1
- Astronomical instruments.1
- Astronomical observatories.1