Columbia subject headings:
Harvard subject headings:
English language--Influence on German--Congresses.
English language--Influence on Italian--Congresses.
German language--Foreign words and phrases--English--Congresses.
Italian language--Foreign words and phrases--English--Congresses.
Princeton subject headings:
German language--Foreign elements--English--Congresses.
Italian language--Foreign elements--English--Congresses.
Languages in contact--Europe, German-speaking--Congresses.
Languages in contact--Italy--Congresses.