Wirtz, R. (2014). Roland Wirtz: [time remembered] / Thomas Punzmann Fine Arts, Frankfurt. Thomas Punzmann Fine Arts.
Lua i Stíl Chicago (17ú heag.)Wirtz, Roland. Roland Wirtz: [time Remembered] / Thomas Punzmann Fine Arts, Frankfurt. Frankfurt am Main: Thomas Punzmann Fine Arts, 2014.
Lua MLA (8ú heag.)Wirtz, Roland. Roland Wirtz: [time Remembered] / Thomas Punzmann Fine Arts, Frankfurt. Thomas Punzmann Fine Arts, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.