Columbia subject headings:
Harvard subject headings:
Ferienčík, Mikuláš Štefan, 1825-1881--Congresses.
Horák, Jozef--Criticism and interpretation--Congresses.
Princeton subject headings:
Ferienčík, Mikuláš Štefan, 1825-1881--Congresses.
Horák, Jozef--Criticism and interpretation--Congresses.