Peter David helped define the Matrix Supergirl, but even when DC was done with the character, he continued to tell her stories at a different company.
Supergirl - Wikipedia
WTF, DC? Supergirl, Part Two: Linda Danvers
Supergirl (Linda Danvers) - Wikipedia
Comics You Should Own - 'Aquaman' #0-25 ⋆ Atomic Junk Shop
Supergirl Publication History, DC Database
Peter David's Fallen Angel Was Supergirl In Everything But Name
Was Kara and Alex Danvers' last name in the Supergirl TV series partly inspired by Carol Danvers/Captain Marvel? - Quora
Supergirl 3: 9781401268794: David, Peter, Abnett, Dan, Lanning, Andy: Books
Supergirl fights to break free of Gorilla Grodd's control in Belly of the Beast.
Supergirl (1996-) #4|eBook
Fallen Angel - Lee - Bete Noire - Supergirl - Peter David - Character profile
Supergirl Comic Box Commentary: Back Issue Review: Supergirl #9
Supergirl Was HUMAN, Not Kryptonian in DC's Silver Age
Peter David Books in Order (164 Book Series)