The work was done in collaboration with the Federal Archive -Film Archive, Berlin / Koblenz and Friedrich-Wilhelm-Murnau Stiftung. The reconstruction was done in collaboration with the Berlin Federal Film / Koblenz archives and Friedrich-Wilhelm-Murnau Stiftung, Wiesbaden.
O traballo fíxose en colaboración coa cinemateca de Berlín/Koblenz e o F.W. Murnau-Stiftung.