Calendar : humanity's epic struggle to determine a true and accurate year /
Duncan, David Ewing.
Calendar : humanity's epic struggle to determine a true and accurate year / David Ewing Duncan. - 1st ed. - New York : Bard, c1998. - xv, 266 p. : ill. ; 24 cm.
"An Avon book."
Includes bibliographical references (p. 251-254) and index.
0380975289
98010434
Calendar--History.
CE6 / .D86 1998
529/.3/09
Calendar : humanity's epic struggle to determine a true and accurate year / David Ewing Duncan. - 1st ed. - New York : Bard, c1998. - xv, 266 p. : ill. ; 24 cm.
"An Avon book."
Includes bibliographical references (p. 251-254) and index.
0380975289
98010434
Calendar--History.
CE6 / .D86 1998
529/.3/09