| Steel city in the Ruhr | 22 |
| Site of the Villa Hugel | 23 |
| Site of the Krupp steel works | 29 |
| Site of Krupp works | 19 |
| Site of Krupp steel works | 25 |
| Seat of the Krupp steel works | 29 |
| Scene of W.W. II airstrikes | 27 |
| Scene of W.W. II aerial attacks | 31 |
| Ruhr-al city? | 13 |
| Ruhr Valley metropolis | 22 |
| Ruhr Valley industrial center | 29 |
| Ruhr steel center | 17 |
| Ruhr Museum locale | 18 |
| Ruhr Basin city | 15 |
| Prussia annexed it in 1802 | 26 |
| Pittsburgh of the Ruhr | 22 |
| Original Krupp Works city | 25 |
| Neighboring city of Duisburg | 28 |
| Neighbor of Düsseldorf | 25 |
| Museum Folkwang site | 20 |
| Museum Folkwang setting | 23 |
| Munitions city | 14 |
| Major city on the Ruhr | 22 |
| Krupp's spot | 16 |
| Krupp's headquarters | 24 |
| Krupp's bailiwick | 21 |
| Krupp Works locale | 18 |
| Krupp works center | 18 |
| Krupp steelworks city | 21 |
| Krupp steel hub | 15 |
| Krupp steel city | 16 |
| Krupp site | 10 |
| Krupp locale | 12 |
| Krupp ironworks site | 20 |
| Krupp family city | 17 |
| Krupp factory city | 18 |
| Karl Baedeker's birthplace | 30 |
| Industrial hub of the Ruhr | 26 |
| Industrial hub of Germany | 25 |
| Industrial German city | 22 |
| Industrial city near Düsseldorf | 34 |
| Industrial city in Germany | 26 |
| Home to the Villa Hügel | 26 |
| Home to the Rhine-Westphalia Institute for Economic Research | 60 |
| Home of the Krupp works | 23 |
| Home of the Krupp family | 24 |
| Home of GermanyÂ’s Krupp family | 34 |
| Have breakfast, e.g., in Germany | 32 |
| Have a meal, in Berlin | 22 |
| Hamburger meal? | 15 |
| Germany's University of Duisburg-___ | 40 |
| Germany's University of Duisburg-__ | 39 |
| German steelworks town | 22 |
| German Motor Show city | 22 |
| German iron center | 18 |
| German iron and steel city | 26 |
| German iron and steel center | 28 |
| German electricity-producing city | 33 |
| German city whose name means "to eat" | 47 |
| German city that was the 2010 European Capital of Culture | 57 |
| German city that was once part of Prussia | 41 |
| German birthplace of Big Bertha | 31 |
| Former German coal center | 25 |
| Food, in Frankfurt | 18 |
| European city whose name sounds like two letters of the alphabet | 64 |
| European city of 500,000+ whose name translates as "to eat" | 69 |
| Eat: Ger. | 9 |
| Eat, in Bonn | 12 |
| Eat, in Berlin | 14 |
| Düsseldorf's neighbor | 28 |
| Dine, in Germany | 16 |
| Dine, in Bonn | 13 |
| Delicat food | 12 |
| Clock inventor or German city | 29 |
| City WSW of Dortmund | 20 |
| City whose name means "food" | 38 |
| City west of Dortmund | 21 |
| City that hosts the world's biggest annual game fair | 56 |
| City steel in Europe | 20 |
| City SSW of Münster | 22 |
| City served by Düsseldorf Airport | 36 |
| City on the Ruhr River | 22 |
| City of the Ruhr valley | 23 |
| City NW of Frankfurt | 20 |
| City north of Bonn | 18 |
| City near the Ruhr and Rhine | 28 |
| City NE of Düsseldorf | 24 |
| City in the Ruhr area | 21 |
| City in the North Rhine-Westphalia | 34 |
| City between Dortmund and Duisburg | 34 |
| City acquired by Prussia, 1802 | 30 |
| Chief Ruhr River valley city | 28 |
| Chief city of the Ruhr | 22 |
| Bomb site of 1943-45 | 20 |
| Big Bertha's home | 21 |
| Bad ___ (Lower Saxony city) | 27 |
| "Strong of Heart: Life and Death in the Fire Department of New York" author Thomas Von ___ | 100 |
| ... in this city | 16 |
| Kernel | 6 |
| Marrow | 6 |