Keith Giffen on Wikipedia
External resources
- http://lambiek.net/artists/g/giffen_keith.htm
- http://www.comicbookresources.com/?page=column&id=25
- http://www.dcindexes.com/features/database.php?site=&pagetype=creator&id=90
- http://www.maelmill-insi.de/UHBMCC/namg11.htm#N1458
- http://www.mikejozic.com/giffrespage