Il secondo principio di Hans LiebschnerIl secondo principio di Hans Liebschner2020Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link2020Il secondo principio di Hans Liebschner1h 28mDirected by Stefano P. Testa2020Sons Klaus and Peter retrace the history of a family undergoing social and cultural transformations.DirectorStefano P. TestaStudioLab 80 filmOverviewDiscussionCastCrewDetailsWhere to watchNo cast listed.