- Germany--Foreign relations--Great Britain.1
- Germany--History--1918-1933.1
- Great Britain--Foreign relations--Germany.1
- Great Britain. Army. Gordon Highlanders.1
- Hamilton, Ian, 1853-1947.1
- Hindenburg, Paul von, 1847-1934.1
- Horse sports.1
- Horses.1
- Manners and customs.1
- Mary, Queen, consort of George V, King of Great Britain, 1867-1953.1
- Military art and science--England.1
- Military ceremonies, honors, and salutes--Italy.1
- Military engineering.1
- Military.1
- Mussolini, Benito, 1883-1945.1
- Nobility--Great Britain.1
- Parades--England.1
- Pius XII, Pope, 1876-1958.1
- Polo players.1
- Polo.1