Catalog Index By LC Categories
- A - General Works
- AC - Collections. Series. Collected works
- AE - Encyclopedias
- AG - Dictionaries and other general reference works
- AI - Indexes
- AM - Museums. Collectors and collecting
- AN - Newspapers
- AP - Periodicals
- AS - Academies and learned societies
- AY - Yearbooks. Almanacs. Directories
- AZ - History of scholarship and learning. The humanities