- Lebrun, Albert, 1871-1950.1
- Léopold III, King of the Belgians, 1901-1983.1
- Mack, Connie, 1862-1956.1
- Major League Baseball (Organization)--History--20th century.1
- Manners and customs--United States.1
- Marching bands--Italy.1
- Marching drills--Italy.1
- Memorial Day.1
- Military ceremonies, honors, and salutes.1
- Military training--Japan.1
- Motorcades.1
- Mussolini, Benito, 1883-1945.1
- Older people.1
- Police.1
- Rites and ceremonies--England.1
- Rowing.1
- Rubble.1
- Ruined buildings.1
- Ruth, Babe, 1895-1948.1
- Ships--Launching.1