Columbia subject headings:
Border patrols--Soviet Union.
Soviet Union. Sovetskai︠a︡ Armii︠a︡. Krasnoznamennyĭ Pribaltiĭskiĭ pogranichnyĭ okrug.
Harvard subject headings:
Border patrols--Soviet Union
Soviet Union. Sovetskai͡a Armii͡a. Krasnoznamennyĭ Pribaltiĭskiĭ pogranichnyĭ okrug.
Princeton subject headings: