A duke holds control over a piece of land, kind of like a sector. An Arch- Duke holds control over a larger piece of land, basically a domain, which is usually made up of sectors.

Published in 1642, the song itself is in the public domain, but certain arrangements, performances, and recordings will have their own protection.

Duke S. Samson has written:

'Intracranial aneurysm surgery' -- subject(s): Cerebral Aneurysm, Intracranial aneurysms, Surgery

Michael S. Duke has written:

'The iron house' -- subject(s): History

'Blooming and contending' -- subject(s): Chinese literature, History and criticism