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Wikipedia: Clay County, Iowa - http://en.wikipedia.org/wiki/Clay_County,_Iowa
Encyclopedia article highlights geography, demographics and links to cities and towns. With maps. |
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The Political Graveyard: Clay County, Iowa - http://politicalgraveyard.com/geo/IA/CY.html#BORN
Database provides political history, cemetery locations, and brief biographies of politicians who were born or lived in the county. |
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National Register of Historical Places - Clay County - http://www.historicdistricts.com/IA/Clay/state.html
Provides a listing of properties, districts, and landmarks in the county. Includes architectural style and period of significance. |