- LeBaron, Alan V (1947- )1
- Lester, Army (1956- )1
- Lewin, Jonathan W1
- Library administrators--Georgia--Cobb County1
- Lockheed Aircraft (Marietta, Ga)1
- Lockheed Aircraft Corporation--History1
- London (England)--History--Bombardment, 1940-19451
- Long, Harrison Oliver (1966-)1
- Loomis, Kimberly S1
- Maddox, Clara Mayes, 1926- --Interviews1
- Marietta (Ga.)--Race relations1
- Marietta (Ga.)--Social life and customs--20th century1
- Marietta City Schools (Marietta, Ga.)1
- Marietta High School (Marietta, Ga.)--History1
- Marietta Housing Authority1
- Matson, Ronald H1
- Mayes, Albert Eugene, 1929- --Interviews1
- McNeel, Hap (Harry Hodgson) (1927-2014)1
- Meeks, Joseph D (1940- )1
- Mescon, Timothy S1
