media_genre
- Action
- Action game
- Action genre
- Action role-playing game
- Action-adventure
- Action/Adventure
- Adaptation
- Adult
- Adventure
- Adventure novel
- Agriculture
- Airplanes and airports
- Albino bias
- Alien invasion
- Almanac
- Alternate history
- Amateur pornography
- American football
- Americana romance
- Animated cartoon
- Animation
- Anime
- Annotated bibliography
- Anthology
- Anthology drama
- Anthology film
- Anthology television series
- Anthropology
- Anti-McCarthyist
- Anti-hero
