Homeland Security Digital LibraryQuick access to important U.S. policy documents, presidential directives, and national strategy documents as well as specialized resources such as theses and reports from various universities, organizations. In Library Access only for some collections but the following is available to the public: CRS reports; Congressional Budget Office (CBO) reports; Congressional hearings, reports, documents, resolutions and public laws; GAO reports, Inspector General reports, Presidential directives, etc.