Hubel, Reinhard G. The book of carpets / [by] Reinhard G. Hubel ; translated by Katherine Watson. - New York : Praeger Publishers, [1970]. - 348 p. : ill. (part col.), maps ; 24 cm. - 745.52(5) (NLA) . Translation of Ullstein Teppichbuch. Bibliography: p. 345-346. Subjects--Topical Terms: Rugs, Oriental--History. Universal Decimal Class. No.: 745.52(5) (NLA)