- Livestock.2
- Local government.1
- Local transit--Illinois--Chicago.1
- Locomotives.1
- Loesch, Frank J. (Frank Joseph), 1852-1944.2
- Lohr, Lenox R. (Lenox Riley), 1891-1968.1
- Long, Huey Pierce, 1893-1935.1
- Long-distance running--United States.1
- Mack, John E., 1874-1958.1
- Magnifying glasses.1
- Maintenance and repair.1
- Manners and customs (General)--Customs relative to private life--Family life.4
- Manners and customs--United States.4
- Manners and customs.1
- Marches.1
- Marching bands--United States.1
- Marching bands.3
- Maria Jose, Queen, consort of Humbert II, King of Italy, 1906-2001.1
- Mathematics.1
- May celebrations.1