Dictionaries, Thesauruses, Pictures, and Press Releases
- Maternal and Child Health Care
- Maxims from Poor Richard's Almanack (1733, by Benjamin Franklin)
- Maysville Veto
- Mazzei Letter
- McClellan Committee Hearings
- McFadden Banking Act
- McGuffey's Readers
- McKinley Assassination
- McNamara Case
- Meat Inspection Laws
- Mechanical Philosophy
- Mecklenburg Resolves (Mecklenburg Declaration of Independence)
- Medals, Military
- Media, History of
- Medical Insurance
- Medical Profession
- Medical Societies
- Medicine and Surgery
- Medicine Show
- Medicine, Occupational