HeadingMonheim, Leonard used in: Integrated Authority File (GND), Germany
Sources
Found inNDB/ADB-online
Painting of Leonard Monheim [Caspar von Reth / Hans Birling: Trumpf bringt Freude. Trumpf 1857-1957. Aachen, 1957 -- Public domain -- http://commons.wikimedia.org/wiki/File:LMonheim.jpg]