1. Oceán v plamenech / Brand im Ozean Creator: Rittau, Günther Publisher: Terra-Filmkunst GmbH (Berlin) Format: audiovisual material Type: movie Rights: Creative Commons BY 4.0
2. Ponorky na západ / U-Boote westwärts! Creator: Rittau, Günther Publisher: Universum-Film AG (UFA) (Berlin) Format: audiovisual material Type: movie Rights: Creative Commons BY 4.0
3. Povodeň / Strom, Der Creator: Rittau, Günther Publisher: Terra-Filmkunst GmbH (Berlin) Format: audiovisual material Type: movie Rights: Creative Commons BY 4.0
4. Věčný tón / Ewige Klang, Der Creator: Rittau, Günther Publisher: Terra-Filmkunst GmbH (Berlin) Format: audiovisual material Type: movie Rights: Creative Commons BY 4.0