Catalogue of the Avar treasure : comprising one hundred and twenty-two gold and silver belt fittings of the Avar period, circa 700 A.D., together with two Byzantine silver plates bearing Constantinopolitan control stamps of the 7th century ... : which will be sold by auction by Sotheby Parke Bernet & Co. ... 14th December 1981. (Sotheby Parke Bernet & Co., 1981)