Zc99 - Frontier East of the Mississippi
Yale Collection of Western Americana
Scope
Use for works about the frontier east of the Mississippi River.
Classification
The second line uses a standard Yale number for states.
The third line is the last three digits of the date of the first edition followed by the first two letters of the main entry.
Example
Ervin, William R. The Seminole War, c1983.
| Zc99 | Work relating to the frontier east of the Mississippi |
| F6 | Number for Florida |
| 983er | Year of publication of first edition followed by first two letters of main entry |