U.S. Government Information - Introduction: SuDoc Classification System

Basic information about finding United States government information, locating resources in the KU Libraries, the KU's Regional Federal Depository collection, and link to topic pages for specific US government resources.

SuDoc Classification

The Federal Depository Collection at the University of Kansas Libraries is shelved by SuDoc classification.  The SuDoc (Superintendent of Documents classification) is a provenance based classification system.  Note: some serials and series titles are shelf with earlier or laters SuDocs.  Use the Guide to U.S. Government Publications to identify earlier and later SuDoc classification numbers.


Learn more about the SuDoc classification system:

SuDoc Tutorial

Search Databases by SuDoc number

SuDoc call numbers cannot be searched in the KU Online Catalog.  

To find the citation information by SuDoc number please try the following databases or ask for assistance.

The following examples are searching for the title Western hemisphere immigration, published in 1930.  

The SuDoc assigend to this Congressional Hearing is:

Y 4.Im 6/1:W 52/4