Library of Congress
The Library of Congress's mission is to make its resources available and useful to Congress and the American people and to sustain and preserve a universal collection of knowledge and creativity for future generations. Through this Web site, the Library is offering broad public access to a wide range of information as a contribution to education and scholarship.The Library of Congress presents these materials as part of the record of the past.

National Board of Chiropractic Examiners
The National Board of Chiropractic Examiners (NBCE) is the principal testing agency for the chiropractic profession. Established in 1963, the NBCE develops and administers standardized national examinations according to established guidelines.

National Library of Medicine
The National Library of Medicine's World Wide Web site. Every significant program of the Library is represented, from medical history to biotechnology. We hope that the resources of the world's largest biomedical library will find ever wider useful application around the nation and around the world.

White House