The Bulgarian contribution to the world cultural heritage : [Album] / Edited by Magdalena Stancheva. - Sofia : Technika State publishing house, 1989. - 383 pages : ill. ; 26 cm. - 7(497.2)(084) (NLA) . Includes index. In the cont. Subjects--Topical Terms: Արվեստի պատմություն--Բուլղարիա Universal Decimal Class. No.: 7(497.2)(084) (NLA)