Columbia subject headings:
Contrastive linguistics--Congresses.
English language--Grammar, Comparative--German.
German language--Grammar, Comparative--English.
Harvard subject headings:
Contrastive linguistics--Congresses.
English language--Grammar, Comparative--German
German language--Grammar, Comparative--English.
Princeton subject headings:
English language--Grammar, Comparative--German--Congresses.
German language--Grammar, Comparative--English--Congresses.