- Lloyd's (Firm)1
- London (England)1
- London Zoo (London, England)1
- Lott, George.1
- Luggage.1
- Léopold III, King of the Belgians, 1901-1983.1
- MacDonald, Malcolm, 1901-1981.1
- Maĭskiĭ, I. M. (Ivan Mikhaĭlovich), 1884-1975,1
- Manchester City Football Club.1
- Manners and customs--Australia.1
- Manners and customs.1
- Manuscripts--Latin (Medieval and modern)--South Carolina--Columbia1
- Maple leaf (Emblem)1
- Marching bands--England.1
- Marching.1
- Marriages of royalty and nobility.1
- McCarthy, Justin H. (Justin Huntly), 1860-1936.1
- McMaster, George Hunter--Correspondence1
- McMaster,Mrs. Rachel Buchanan--Correspondence1
- Medals.1