"The 21st Century and the 3rd Millennium," pamphlet from the U.S. Naval
Observatory, Nautical Almanac Office, 34th and Massachusetts Ave. N.W.,
Washington, D.C. 20392. 202/762-1438.
"The Battle of the Centuries," by Ruth S. Freitag, Library of Congress.
Order from the Superintendent of Documents, P.O. Box 371954, Pittsburgh,
Pa. 25350-7954. Stock Number 030-001-00153-9. $2.75.