Milestones of the 20th century / Milestones of the twentieth century editor Meghan O'Reilly Fiero - Danbury, Conn. : Grolier, c1999 - 384 p. : ill. (some col.) Includes index ISBN: 0717289281 Subjects--Topical Terms: CIVILIZATION, MODERN--20TH CENTURY LC Class. No.: CB425 / M543