The Library of Congress welcomes researchers to its reading rooms and research centers. Appointments are optional, but encouraged to serve you best, ensure collection material is accessible during your visit and optimize your time at the Library. The Thomas Jefferson Building has reopened to visitors via timed, ticketed entry—learn how to obtain a timed-entry pass. Virtual events and online services continue to be available.
Research guides to the Library's collections, as well as subject guides prepared by Library of Congress staff, are listed below. More online guides covering other Library of Congress collections are available via the LC Bibliographies, Research Guides and Finding Aids page.
