iDEA is organized into three primary collections: historic, research and theses & dissertations. The Drexel history collection includes documents and images that tell the stories of the Drexel community from 1891 to the present. The Drexel research collection provides access to the published and unpublished work of Drexel faculty and students, including papers, posters and research data. The theses & dissertations collection provides access to all doctoral dissertations since 2006 as well as selected older works and master's thesis.