Dataset to "GERALD: A novel dataset for the detection of German mainline railway signals"
Mappe 1867 - 1905 / 3 : Details aus dem Innenraum des Zisterzienserklosters in Maulbronn
Skizzenbuch 1904 – 1907 / 10.R : Orgelempore der Severikirche in Erfurt
Skizzenbuch 1904 – 1907 / 10.V : Severikirche in Erfurt