Encyclopedias, Almanacs, Transcripts, and Maps
- Minnesota Farmer-Labor Party
- Minority Groups and the Great Depression
- Mirror Sites
- Misinformation Online
- Mit and the Galactic Network
- Mitchell, Arthur W.
- Moley, Raymond
- Monopoly (Board Game)
- Monster.Com
- Moore, Gordon E
- Moore, J. Stuart
- Morgan, J. P., Jr.
- Morgenthau, Henry T., Jr.
- Moskowitz, Belle
- Motley Fool Inc., the
- Motorola, Inc
- Mr. Smith Goes to Washington
- Museums and Monuments, Historic
- Museums, Art
- Muste, A. J.