Columbia subject headings:
Harvard subject headings:
Bundesgymnasium Völkermarkter Ring in Klagenfurt--History.
Collegium sapientiae et pietatis (Klagenfurt, Austria)--History.
Education--Austria--Klagenfurt--History.
Jesuits--Education--Austria--Klagenfurt--History.
Klagenfurter Jesuitenkolleg--History.
Lyzeum zu Klagenfurt--History.
Religious education--Austria--Klagenfurt--History.
Princeton subject headings:
Bundesgymnasium Völkermarkter Ring in Klagenfurt--History.
High schools--Austria--Klagenfurt--History.