Comics
Justice League of America #107 (Sep.-Oct., 1973)
Richard Flag, Jr. (New Earth)/Gallery, DC Database
Colonel Rick Flag - Suicide Squad - Post-Crisis DC Comics - Profile
Rick Flag (disambiguation), DC Database
Review: Power Girl #2 - DC Comics News
Joker (character) - Wikiwand
Richard Flag, Jr. (Prime Earth), DC Database
DC Comics Movies Ranked by Tomatometer
October 2023 DC Comic Solicitations - The Comic Book Dispatch