Known dated paintins are: Lake in the alps (Alpensee) from 1869, Oberwesel at the Rhine river (Oberwesel am Rhein) from 1883, Summerday in Altenahr (Sommertag in Altenahr) from 1904, Southern Marina (Südländische Marine) from 1905 (Köln), In Devotion (In Andacht) from 1914.
Altenahr |