Hardcover Omnibus collection of the 1980s reference series Who's Who: The Definitive Directory of the DC Universe (Volume 1), as well as its followup series Who's Who: Update '87 (Volume 1) and Who's Who: Update '88 (Volume 1) and the Who's Who entries included in 1989 annuals. Also reprinted in this collection are the letter columns from the original issues, many of them featuring corrections, pronunciation guides and other useful information. All material in this collection was originally published from 1984 to 1989.
Issues
- Who's Who: The Definitive Directory of the DC Universe #1
- Who's Who: The Definitive Directory of the DC Universe #2
- Who's Who: The Definitive Directory of the DC Universe #3
- Who's Who: The Definitive Directory of the DC Universe #4
- Who's Who: The Definitive Directory of the DC Universe #5
- Who's Who: The Definitive Directory of the DC Universe #6
- Who's Who: The Definitive Directory of the DC Universe #7
- Who's Who: The Definitive Directory of the DC Universe #8
- Who's Who: The Definitive Directory of the DC Universe #9
- Who's Who: The Definitive Directory of the DC Universe #10
- Who's Who: The Definitive Directory of the DC Universe #11
- Who's Who: The Definitive Directory of the DC Universe #12
- Who's Who: The Definitive Directory of the DC Universe #13
- Who's Who: The Definitive Directory of the DC Universe #14
- Who's Who: The Definitive Directory of the DC Universe #15
- Who's Who: The Definitive Directory of the DC Universe #16
- Who's Who: The Definitive Directory of the DC Universe #17
- Who's Who: The Definitive Directory of the DC Universe #18
- Who's Who: The Definitive Directory of the DC Universe #19
- Who's Who: The Definitive Directory of the DC Universe #20
- Who's Who: The Definitive Directory of the DC Universe #21
- Who's Who: The Definitive Directory of the DC Universe #22
- Who's Who: The Definitive Directory of the DC Universe #23
- Who's Who: The Definitive Directory of the DC Universe #24
- Who's Who: The Definitive Directory of the DC Universe #25
- Who's Who: The Definitive Directory of the DC Universe #26
- Who's Who: Update '87 #1
- Who's Who: Update '87 #2
- Who's Who: Update '87 #3
- Who's Who: Update '87 #4
- Who's Who: Update '87 #5
- Who's Who: Update '88 #1
- Who's Who: Update '88 #2
- Who's Who: Update '88 #3
- Who's Who: Update '88 #4
- Action Comics Annual #2: Who's Who entries only
- Batman Annual #13: Who's Who entries only
- Blackhawk Annual (Volume 3) #1: Who's Who entries only
- Detective Comics Annual #2: Who's Who entries only
- Doctor Fate Annual (Volume 2) #1: Who's Who entries only
- The Flash Annual (Volume 2) #3: Who's Who entries only
- Green Arrow Annual (Volume 2) #2: Who's Who entries only
- Justice League International Annual #3: Who's Who entries only
- New Titans Annual #5: Who's Who entries only
- The Question Annual #2: Who's Who entries only
- Secret Origins Annual (Volume 2) #3: Who's Who entries only
- Swamp Thing Annual (Volume 2) #5: Who's Who entries only
- Wonder Woman Annual (Volume 2) #2: Who's Who entries only