found: Moneta Imperii Byzantini, 1973.
found: Moneta Radasponensis, c1976:t.p. (Wolfgang Hahn)
found: Kürschn. Deut. Gel.-Kal., 1983(Hahn, Wolfgang, Dr. phil., UDoz., wiss. Oberkommissär; Wien; b. 3/12/1945; numismatics)
found: OCLC database, Mar. 16, 2017(access points: Hahn, Wolfgang, 1945-; Hahn, Wolfgang R. O.; Hahn, Wolfgang Reinhard Otto; Hahn, Wolfgang (Wolfgang Reinhard Otto), 1945 usage: Wolfgang Hahn, W.R.O. Hahn )
found: Wikipedia deutsch, March 16, 2017(Wolfgang Hahn, numismatist; born March 12, 1945 in Hermannsreuth, Austrian numismatist; professor of numismatics at the University of Vienna; male)