score:14
I found this:
Bis zu seinem Tode hat Julius Lippert in Bad Schwalbach VortrΓ€ge ΓΌber Kunstgeschichte gehalten.
Translation mine:
Until his death, Julius Lippert held lectures on art history in Bad Schwalbach.
The location seems inconsistent ("at universities" -- "in Bad Schwalbach", perhaps they confused location of death with the location of his lectures), but at least the subject seems clear - art history.