TY - BOOK AU - Isar,Yudhishthir Raj ED - Conference on Cultural Preservation ED - Unesco. ED - Smithsonian Institution. TI - The Challenge to our cultural heritage: why preserve the past? : proceedings of a Conference on Cultural Preservation, Washington, D.C., 8-10 April, 1984 SN - 0874745438 (pbk. : alk. paper) AV - CC135 .C55 1984 U1 - 363.6/9 19 PY - 1986/// CY - Washington, D.C. PB - Smithsonian Institution Press KW - Historic sites KW - Conservation and restoration KW - Congresses KW - Cultural property KW - Protection KW - Architecture KW - Historic preservation N1 - Includes bibliographies ER -