Last seen in:
- Thomas Joseph - King Feature Syndicate - Nov 8 2023
- Thomas Joseph - King Feature Syndicate - Jul 18 2018
- Thomas Joseph - King Feature Syndicate - Sep 1 2016
- New York Times - Oct 1 2015
- Thomas Joseph - King Feature Syndicate - Sep 13 2014
- New York Times - Dec 2 2012
- New York Times - May 2 2010
- Thomas Joseph - King Feature Syndicate - Mar 28 2007
- Thomas Joseph - King Feature Syndicate - Sep 24 2005
- New York Times - Jul 22 1997
Related Clues:
- Chief city of the Ruhr River valley
- Ruhr region
- Industrial city in Germany
- City near Oberhausen
- City in the Ruhr valley
- German iron and steel center
- Steel city of Europe
- Dallas dribbler, briefly
- Ruhr-al city?
- Krupp's headquarters
- Where the Krupps worked
- Home of the Krupp steelworks
- Industrial Ruhr city
- German steel city
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