They appear as both books and periodicals, in paper and microform, on CD-ROMs, and in electronic format. Princeton University has participated for over a century in the Federal Depository Library Program. As a selective depository, the library receives only publications it has designated as appropriate to its collections, approximately 50 percent of the publications offered to depository libraries. The regional depository in New Jersey is the Newark Public Library, which receives and permanently retains all available government publications. Documents Collection and other SSRC staff provide assistance in finding recent documents held anywhere in the library system.
SuDoc numbers are easily distinguishable from other classification systems used in the library.
The Federal Register Foreign Broadcast Information Service. Daily Reports Joint Publications Research Service. U.S. General Accounting Office. They are shelved with other materials in the stacks or in a special library. These older publications may be found through the Card Catalogs in the same way as other publications, by author, title, or subject.