Encyclopedia of the United States cabinet

"This encyclopedia is the first work of its kind devoted entirely to the history of the United States Cabinet and its secretaries. Arranged alphabetically by cabinet department, it provides a history of the department and detailed biographical and historical entires of the members who served in some of the nation's highest positions. Also available as an e-book, it is a truly outstanding source filled with facts about the U.S. Cabinet."--"Outstanding Reference Sources," American Libraries, May 2001.