Category:Hoppin & Koen

**Hoppin & Koen**
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Instance of	architectural firm;
Location	United States of America;
Headquarters location	New York City;
Founded by	Howard Hoppin;
Authority file
	Q58864167;
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Hoppin & Koen was an American architectural firm.

Subcategories

This category has the following 8 subcategories, out of 8 total.