Columbia subject headings:
German imprints--Europe, Eastern--History--Congresses.
German newspapers--Europe, Eastern--History--Congresses.
German periodicals--Europe, Eastern--History--Congresses.
Press--Germany--History--Congresses.
Harvard subject headings:
German imprints--Europe, Eastern--History--Congresses.
German newspapers--Europe, Eastern--History--Congresses.
German periodicals--Europe, Eastern--History--Congresses.
Press--Germany--History--Congresses.
Princeton subject headings:
German imprints--Europe, Eastern--History--Congresses.
German newspapers--Europe, Eastern--History--Congresses.
German periodicals--Europe, Eastern--History--Congresses.
Press--Germany--History--Congresses.