| CD 921 |
Periodicals. Societies. Serials |
| CD 945 |
Dictionaries. Encyclopedias |
| CD 950-965 |
General works on the science of archives
Including general administration of archives |
| CD 971 |
General special |
| CD 973.A-Z |
Special methods & techniques, A-Z |
| CD 973.2-977 |
Special categories of archives |
| CD 995-4280 |
History & statistics |
| - CD 1000-4280 |
- By region or country |
| - - CD 1000-2000 |
- - Europe |
| - - - CD 1040-1128 |
- - - Great Britain |
| - - - CD 1580-1599.5 |
- - - Papal States & Vatican |
| - - - CD 1710-1739.5 |
- - - Russia. Soviet Union. Russia (Federation) |
| - - CD 3020-3615 |
- - United States |
| - - - CD 3020 |
- - - Periodicals. Societies. Serials. Directories |
| - - - CD 3021 |
- - - General works. History & statistics |
| - - - CD 3070-3609 |
- - - By state |
| - - CD 3680-4280 |
- - Latin America |