dukefilmography.com

Anchor text: Copyright status of Monogram's entire output

Wikipedia: Monogram Pictures

Anchor text: Producers Releasing Corporation Early Television Rights

Wikipedia: Producers Releasing Corporation

Wikipedia: William A. Wellman

Wikipedia: Sam Newfield

Anchor text: Producers Releasing Corporation Early Television Rights

Wikipedia: Pathé Exchange

Anchor text: Monogram Pictures Corporation Library: Who Owns What Today

Wikipedia: East Side Kids

Anchor text: The Films of Sam Newfield

Wikipedia: Adrienne Dore

Anchor text: The Films of Sam Newfield

Wikipedia: Fight That Ghost