00908cam a2200301 i 4500 64339350 TxAuBib 20100101120000.0 980122s1998||||||||||||||||||||||||eng|u 98010434 9780380975280 0380975289 (OCoLC)38288656 TxAuBib rda Duncan, David Ewing. Calendar : Humanity's Epic Struggle to Determine a True and Accurate Year / David Ewing Duncan. 1st ed. New York : Bard, 1998. xv, 266 p. : ill. ; 24 cm. txt rdacontent n rdamedia nc rdacarrier "An Avon book.". Includes bibliographical references (p. 251-254) and index. 20100101. Calendar History. TXRHP