Additional biographies:

The Sword & the Soul biography letter column in Stalker (DC, 1975 series) #1 (June-July 1975);

DC Profiles #13: Paul Levitz in Action Comics (DC, 1938 series) #473 (July 1977);

Comics Journal (Fantagraphics Books, 1977 series) #39 (April 1978);

Alter Ego, the Best of the Legendary Fanzine (Twomorrows, 1997 series);

Alter Ego (Twomorrows, 1999 series) #14 (April 2002).

Creator of 1970s versions of Dragonsword, Huntress, Stalker, and Starman.

Long-time support work on management level for DC Comic, including: executive coordinator, from 1977 to 1979; business manager and manager of business affairs, from 1980 to 1982; vice president operations, from 1982 to 1984; executive vice president, from 1984 to 2002; publisher, from 1984 to 2002; and president, from 2006 to 2009.

Syndication work:

World's Greatest Super-heroes daily and Sunday (Chicago Tribune-New York News Syndicate, 1978 series), writer, from 1979 to 1981. (Biography from GCD.)