Virtual Shelf Browser
Using the Virtual Browser
Below is a list of the Departments and Agencies featured in our collection. The letter(s) at the beginning of the SuDoc number indicate which Department/Agency produced a grouping of documents.
If you click on a particular letter you’ll then be shown a list of all the documents created by that Department or Agency by topic.
Once you’ve chosen a specific topic of interest click on the SuDoc stem. You’ll be taken to the TCU catalog where it will list all the documents we have in our collection with that SuDoc stem.
For more detailed information on the SuDoc classification system go to the Core Documents research guide.
Government Information

Secret Messengers, Disseminating SIGINT in the Second World War: The Story of the British SLUs (Special Liaison Units) and American SSOs (Special Security Officers)
Secret Messengers details how British Special Liaison Units (SLUs) and American Special Security Officers (SSOs) safely and effectively transported highly secret, decrypted intelligence...