Homeland Security Digital Library (HSDL)A compendium of materials available for scholarly research in the area of Homeland Security. The digital library collection is focused on strategy and policy in the various subject areas of Homeland Security Research. Materials selected for inclusion in the HSDL include, but are not limited to : A
governmental departments and agencies, academic institutions, think tanks, conference sites, non-governmental organizations, institutes and organizations and other entities deemed credible by the content develop team.