| Area(s) Enumerated | Call Number |
|---|---|
| Connecticut | |
| Entire State | M637-1 |
| Maine | |
| Entire State | M637-2 |
| Maryland | |
| Entire State | M637-3 |
| Massachusetts | |
| Entire State | M637-4 |
| New Hampshire | |
| Entire State | M637-5 |
| New York | |
| Entire State | M637-6 |
| North Carolina | |
| Entire State | M637-7 |
| Pennsylvania | |
| Berks, Chester, Delaware, Huntington, Mifflin (part), Luzerne, Dauphin, Northampton, Cumberland, Fayette, Westmoreland (part), Bucks, and Lancaster Counties | M637-8 |
| Montgomery, Westmoreland (part), Allegheny, Washington, Bedford, Franklin, York, Northumberland, Mifflin (part), and Philadelphia Counties | M637-9 |
| Rhode Island | |
| Entire State | M637-10 |
| South Carolina | |
| Entire State | M637-11 |
| Vermont | |
| Entire State | M637-12 |