What subjects do the call letters & numbers cover?
F1-975 United States local history.
F1-15 New England.
F106 Atlantic coast. Middle Atlantic States.
F206-220 The South. South Atlantic States.
F296-301 Gulf States. West Florida.
F396 Old Southwest. Lower Mississippi Valley.
F476-485 Old Northwest. Northwest Territory.
F590.3-596.3 The West. Trans-Mississippi Region. Great Plains.
F721-722 Rocky Mountains. Yellowstone National Park.
F786-790 New Southwest. Colorado River, Canyon, and Valley.
F850.5-851.5 Pacific States.
F965 The territories of the United States (General).
F970 Insular possessions of the United States (General).
F975 Central American, West Indian, and other countries protected by and having close political affiliations with the United States (General).
F1001-1145.2 British America.
F1170 French America.
F1201-3799 Latin America. Spanish America.
F1201-1392 Mexico.
F1401-1419 Latin America (General).
F1421-1440 Central America.
F1601-1629 West Indies.
F2155-2191 Caribbean area. Caribbean Sea.
F2201-3799 South America.