F1-975 -- United States local history F1-15 -- New England
F16-30 -- Maine
F31-45 -- New Hampshire
F46-60 -- Vermont
F61-75 -- Massachusetts
F76-90 -- Rhode Island
F91-105 -- Connecticut
F106 -- Atlantic coast. Middle Atlantic States
F116-130 -- New York
F131-145 -- New Jersey
F146-160 -- Pennsylvania
F161-175 -- Delaware
F176-190 -- Maryland
F206-220 -- The South. South Atlantic States
F221-235 -- Virginia
F236-250 -- West Virginia
F251-265 -- North Carolina
F266-280 -- South Carolina
F281-295 -- Georgia
F296-301 -- Gulf States. West Florida
F306-320 -- Florida
F321-335 -- Alabama
F336-350 -- Mississippi
F350.5-355 -- Mississippi River and Valley. Middle West
F366-380 -- Louisiana
F381-395 -- Texas
F396 -- Old Southwest. Lower Mississippi Valley
F406-420 -- Arkansas
F431-445 -- Tennessee
F446-460 -- Kentucky
F461-475 -- Missouri
F476-485 -- Old Northwest. Northwest Territory
F486-500 -- Ohio
F516-520 -- Ohio River and Valley
F521-535 -- Indiana
F536-550 -- Illinois
F550.5-553.2 -- The Lake region. Great Lakes
F561-575 -- Michigan
F576-590 -- Wisconsin
F590.3-596.3 -- The West. Trans-Mississippi Region. Great Plains
F597 -- The Northwest
F598 -- Missouri River and Valley
F601-615 -- Minnesota
F616-630 -- Iowa
F631-645 -- North Dakota
F646-660 -- South Dakota
F661-675 -- Nebraska
F676-690 -- Kansas
F691-705 -- Oklahoma
F721-722 -- Rocky Mountains. Yellowstone National Park
F726-740 -- Montana
F741-755 -- Idaho
F756-770 -- Wyoming
F771-785 -- Colorado
F786-790 -- New Southwest. Colorado River, Canyon, and Valley
F791-805 -- New Mexico
F806-820 -- Arizona
F821-835 -- Utah
F836-850 -- Nevada
F850.5-851.5 -- Pacific States
F851.7 -- Cascade Range
F852-854 -- Pacific Northwest. Columbia River and Valley. Northwest
F856-870 -- California
F871-885 -- Oregon
F886-900 -- Washington
F901-951 -- Alaska
F951 -- Bering Sea and Aleutian Islands
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
