Encyclopedias, Almanacs, Transcripts, and Maps
- Marichal, Juan (1937—)
- Marie, Rose (1923—)
- Marijuana
- Maris, Roger (1934-1985)
- Marketing Research, Careers in
- Married … with Children
- Marshall, Garry (1934—)
- Martin, Dean (1917-1995)
- Martin, Freddy (1906-1983)
- Martin, Quinn (1922-1987)
- Marvel Comics
- Marx, Groucho (1890-1977)
- Mary Hartman, Mary Hartman
- Mary Kay Cosmetics
- Mary Poppins
- Mary Worth
- Mason, Jackie (1931—)
- Mass Market Magazine Revolution
- Masterpiece Theatre
- Masters and Johnson