Main contributor
- AAA1
- ABC-TV1
- AT&T2
- Abraham & Straus2
- Abraham Morochnik4
- Abraham Ribicoff1
- Addie McPhail1
- Adolph's1
- Adrian Gendot1
- Advertising Council1
- Aero1
- Aetna1
- Agency For Instructional Technology267
- Agency For Instructional Television39
- Agency for Instructional Technology1
- Agency for Instructional Television34
- Ahmed Shams1
- Aktiebolaget Svensk Filmindustri1
- Al Brenner1
- Al Goodman1