1 "Fișier:Am_Strom_der_Zeit_-_(IA_amstromderzeit01wilb).pdf".

Fișier:Am Strom der Zeit - (IA amstromderzeit01wilb).pdf

used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Am_Strom_der_Zeit_-_(IA_amstromderzeit01wilb).pdf...