Encyclopedias, Almanacs, Transcripts, and Maps
- Marshall, Margaret Hilary
- Martindale-Hubbell Law Directory
- Mass Communications Law
- Massachusetts Constitution of 1780
- Massachusetts Trust
- Master and Servant
- Mathews v. Eldridge Test
- Matter of Law
- Matter of Record
- Matthews, Stanley
- McCain, John Sidney
- McCarran, Patrick Anthony
- McCarran-Ferguson Act of 1945
- McGrain v. Daugherty
- McGranery, James Patrick
- McGrath, James Howard
- McKinney Act
- McNabb-Mallory Rule
- McNaughtan, Daniel
- Mechanic's Lien