01028cam a2200265 4500 278675091 TxAuBib 20161130120000.0 900822s1991||||||||||||||||||||||||eng|u 90010289 9781560980353 cloth 1560980354 cloth TxAuBib Seeds of change : a quincentennial commemoration / edited by Herman J. Viola and Carolyn Margolis. Washington : Smithsonian Institution Press, 1991. 277 p. : ill. (some col.) ; 32 cm. Includes bibliographical references (p. 264-268) and index. 20161130. Columbus, Christopher Influence Exhibitions. Indians First contract with Occidental civilization Exhibitions. America Discovery and exploration Spanish Exhibitions. America History To 1810 Exhibitions. Viola, Herman J. Margolis, Carolyn.