found: Frajt, L. Tužbalica [SR] 197-? (a.e.)label (Živojin Zdravković, conductor)
found: Gedda, N. Berühmte russische Arien [SR] 197-?:labels (Gika Zdravkovitch)
found: Int. ww in mus., 10th ed.(Zdravkovitch, Gika (Zdravkovic Zivojin); b. 11-24-14, Belgrade, Yugoslavia)
found: Slavenski, J. Sinfonia orienta [SR] 1955?:label (Zhika Zdravkovich conducting)
found: Wikipedia, viewed June 27, 2014(Živojin Zdravković, also referred to as Zivojin Zdravkovic, Žika Zdravković, Gika Zdravkovitch, Gika Zdravkovich; born November 24, 1914, Belgrade, died September 15, 2001, Belgrade; Serbian conductor and professor of conducting at the Belgrade Music Academy)