1. Gregory Markopoulos Record type: document Document type: still Publication date: 1963 Sum Document source: Film Culture Document contains: production co Number of pages: 2 Related films: Swain — Markopoulos, Gregory J. — United States — 1950Serenity — Markopoulos, Gregory J. — Greece — 1961Twice a Man — Markopoulos, Gregory J. — United States — 1963
2. [Twice a man. Stills.] Record type: document Document type: still Publication date: 1963 Document source: PFA Stills Collection Number of pages: 1 Related films: Twice a Man — Markopoulos, Gregory J. — United States — 1963
3. [Collection of stills from Gregory Markopoulos films] Record type: document Document type: still Document author(s): Mark Webber Document contains: production co Number of pages: 5 Related films: Twice a Man — Markopoulos, Gregory J. — United States — 1963The Illiac Passion — Markopoulos, Gregory J. — United States — 1967Eros, o basileus — Markopoulos, Gregory J. — United States — 1967