| 1BR | 1 Business Radio | |
| 1KPOV | 1000 Points Of View | |
| 30 | End of News Release | |
| 3GP | Third Generation for mobile Platform | |
| 3NO | New, Now, Network | |
| 407 RRD | 407th Radio Research Detachment | |
| 47 | Agent 47, Hitman | |
| A&E | Arts & Entertainment | |
| A&E | Arts and Entertainment | |
| A/P | Artist’s Proof | |
| A/SP/A | Also Spelled As …. | |
| A/V | Audio/Video | |
| A2 | Antenne 2 ( France) | |
| A2N | Access to Nature | |
| AA | Author’s Alteration | |
| AA | Adjusting Appendix | |
| AA | Author’s Addition | |
| AA | Average Audience | |
| AA | American Archaeology | |
| AA | Academy Award | |
| AA | Audible Audiobook | |
| AA | After Animaniacs | |
| AAA | Adult Album Alternative | |
| AAAA | Associated Actors and Artists of America | |
| AAAA | Antics of Alice And Andy |
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