myAU | AU Library | myWCL | Library Home | myLEAGLE Library Account

Pence Law Library Guides

Library Home | Research Guides | LEAGLE Catalog | E-Journals & Articles | Library Databases | Frequently Used Resources | Ask a Librarian

Skip to Main Content

Legal Research Glossary

Key Number

A numerical identifier used in Westlaw and West publications to classify judicial opinions according to their subject matter.