Columbia subject headings:
Harvard subject headings:
Archives--Austria--Congresses.
Archives--Austria--Exhibitions.
Austrian literature--Archival resources--Congresses.
Austrian literature--Archival resources--Exhibitions.
German literature--Congresses.
German literature--Exhibitions.
Princeton subject headings:
Archives--Austria--Congresses.
Authors, Austrian--Congresses.
Books and reading--Austria--Congresses.
Libraries--Austria--Congresses.