Columbia subject headings:
Bulgaria--Relations--Germany.
Bulgarian literature--Appreciation--Germany.
Comparative literature--Bulgarian and German.
Comparative literature--German and Bulgarian.
German literature--Appreciation--Bulgaria.
Germany--Relations--Bulgaria.
Harvard subject headings:
Bulgaria--Relations--Germany.
Bulgarian literature--Appreciation--Germany.
Comparative literature--Bulgarian and German.
Comparative literature--German and Bulgarian.
German literature--Appreciation--Bulgaria
Germany--Relations--Bulgaria.
Princeton subject headings:
Bulgaria--Relations--Germany.
Bulgarian literature--Appreciation--Germany.
Comparative literature--Bulgarian and German.
Comparative literature--German and Bulgarian.
German literature--Appreciation--Bulgaria.
Germany--Relations--Bulgaria.