Keywords: Hans Christian Ditlev la Cour by Mahrt.jpg en Hans Christian Ditlev la Cour 1842-1922 Royal Library Copenhagen W Mahrt Waldemar Emil August Mahrt 1852-19 s 1890 PD-Denmark50 PD-old-70-1923 Hans Christian Ditlev la Cour Files from The Portrait Collection of the Danish Royal Library |