Columbia subject headings:
Michałowicz, Konstanty, approximately 1435-
Serbia--History--To 1456--Sources.
Turkey--History--Sources.
Turks--Serbia.
Harvard subject headings:
Michałowicz, Konstanty, approximately 1435-
Serbia--History--To 1456--Sources.
Turkey--History--Sources.
Turks--Serbia.
Princeton subject headings:
Michałowicz, Konstanty, approximately 1435---Travel.
Serbia--History--To 1456--Sources.
Turkey--History--Sources.
Turks--Yugoslavia--Serbia--History.