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Subject (Region)
- Great Lakes[remove]48
- Hawaii Territory (1898-1959)[remove]48
- Puerto Rico42
- Philippines41
- Alaska, Department and District of (1867-1912)37
- Tutuila, American Samoa37
- Canada36
- Guam36
- Cuba26
- Midway Islands23
- Panama18
- Europe9
- Mexico8
- South America8
- District of Columbia7
- Great Britain7
- India7
- Washington Aqueduct (District of Columbia)7
- Alaska Territory (1912-1959)6
- Japan6