Columbia subject headings:
Estonian imprints--Finland--Union lists.
Estonian periodicals--Bibliography--Union lists.
Union catalogs--Finland.
Harvard subject headings:
Estonian imprints--Finland--Union lists.
Estonian periodicals--Bibliography--Union lists.
Union catalogs--Finland.
Princeton subject headings:
Estonian imprints--Finland--Union lists.
Estonian periodicals--Bibliography--Union lists.
Union catalogs--Finland.
Union catalogs.