v. 1. New England : Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont -- v. 2. Northeastern states : Delaware, District of Columbia, Maryland, New Jersey, New York, Pennsylvania, West Virginia -- v. 3. Southeast : Florida, Georgia, North Carolina, South Carolina, Virginia; Puerto Rico, Virgin Islands Miscellaneous Caribbean islands -- v. 4. South central states : Alabama, Arkansas, Kentucky, Louisiana, Mississippi, Tennessee -- v. 5. Southwestern states : Arizona, New Mexico, Oklahoma, Texas -- v. 6. Great Lakes states : Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin -- v. 7. Plains states : Iowa, Kansas, Missouri, Nebraska, North Dakota, South Dakota -- v. 8. Mountain states : Colorado, Idaho, Montana, Nevada, Utah, Wyoming -- v. 9. Pacific states & territories : Alaska, California, Hawaii, Oregon, Washington; Pacific territories -- v. 10. National index -- v. 11. Appendices.