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Subject (Region)
- United States43
- Italy11
- Great Britain5
- Europe3
- Germany3
- Pennsylvania3
- Alaska2
- Arabia Mountain National Heritage Area (Ga.)2
- Arizona2
- Buffalo Bayou National Heritage Area (Houston, Tex.)2
- China2
- Connecticut2
- Egypt2
- France2
- Georgia2
- Houston2
- Kenai Mountains-Turnagain Arm National Heritage Area (Alaska)2
- Lackawanna Valley National Heritage Area (Pa.)2
- Massachusetts2
- Missouri2