Muther, R. (1922). Rembrandt van Ryn: Richard Muther (12. - 15. Tsd.). Brandus.
Lua i Stíl Chicago (17ú heag.)Muther, Richard. Rembrandt Van Ryn: Richard Muther. 12. - 15. Tsd. Berlin: Brandus, 1922.
Lua MLA (8ú heag.)Muther, Richard. Rembrandt Van Ryn: Richard Muther. 12. - 15. Tsd. Brandus, 1922.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.