Albert Dawson in camp before Przemyśl, May 1915. Photograph from the collection of the National Archives, Washington, D.C.
An extended version of scenes, found before by the authors in the Imperial War Museum, showing segments of Albert K. Dawson's film The Battle and Fall of Przemyśl (1915), has been uploaded on the website of the European Film Gateway/Project 1914.
Albert Dawson at flower market in Berlin, March 1915
These films are from the Austrian Film Archives and have Hungarian subtitles. The aftermath of the conquest of Przemysl by the German-Austrian armies is shown, as well as scenes showing Dawson inspecting the ruined forts and the Russian soldiers who were killed in action while defending Przemysl against Austrian machine gunners.
Check out a video from the Imperial War Museum, showing some of these scenes.