Columbia subject headings:
Czech language--Foreign words and phrases--English.
English language--Influence on Czech.
English language--Influence on German.
German language--Foreign words and phrases--English.
Harvard subject headings:
Czech language--Foreign elements--English
Czech language--Foreign elements--German
English language--Influence on Czech
English language--Influence on German
German language--Foreign elements--Czech
German language--Foreign elements--English
Languages, Modern--Foreign elements--English.
Princeton subject headings: