Schlagwort(e): Judentum ; Fest ; Jews ; Europe, Eastern ; Social life and customs ; Pictorial works ; Judaism ; Europe, Eastern ; Customs and practices ; Pictorial works ; Postcards ; Collectors and collecting ; Germany (West) ; Gerhardt, Ulrich ; 1875-1950 ; Art collections ; Bildband ; Juden ; Brauch ; Juden ; Alltag ; Juden ; Brauch