| # | Type | Title | Collection | Location | Documents | |
|---|---|---|---|---|---|---|
| 174 | Lux Radio Theatre | no | no | 3 | ||
| 282 | Magazine | Madera Tribune | no | no | 2 | |
| 198 | Magazine | Magic An Independent Magazine for Magicians | no | no | 1 | |
| 30 |  |
Podcast | Magical Disneyland Paris A Podcast | no | no | 2 |
| 844 |  |
Magazine | Maintenance Division News | no | no | 1 |
| 351 |  |
Podcast | Maltin on Movies | no | no | 15 |
| 825 | Magazine | Manufacturers Record | no | no | 1 | |
| 278 | Magazine | Marceline News | no | no | 1 | |
| 432 | Website | Matte Shot - a tribute to Golden Era special fx | no | no | 2 | |
| 602 | Magazine | MC microcomputer | no | no | 1 | |
| 150 |  |
Magazine | McCall's Magazine | no | no | 9 |
| 574 | Magazine | McKinsey Quartely | no | no | 1 | |
| 876 | Magazine | MD Medical News Magazine | no | no | 1 | |
| 194 | Magazine | Mechanix Illustrated | no | no | 5 | |
| 372 | Website | Media Magic | no | no | 17 | |
| 148 |  |
Magazine | Mediascene Prevue | no | no | 3 |
| 257 | Magazine | Memoriav Bulletin | no | no | 2 | |
| 860 |  |
Magazine | Merchandise Gazette | no | no | 0 |
| 42 |  |
Website | MiceChat | no | yes | 8 |
| 3 |  |
Podcast | MICECHAT.COM PODCAST | no | no | 3 |
