Columbia subject headings:
Izbornik Svi︠a︡toslava 1073 g.
Philosophy, Bulgarian--History.
Harvard subject headings:
Izbornik Svi︠a︡toslava 1073 g.
Philosophy, Bulgarian--History.
Princeton subject headings:
Izbornik Svi︠a︡toslava 1073 g.
Philosophy, Bulgarian--History.