Columbia subject headings:
Harvard subject headings:
Contrastive linguistics--Congresses.
German language--Grammar, Comparative--Spanish--Congresses.
German language--Phraseology--Congresses.
Spanish language--Grammar, Comparative--German--Congresses.
Spanish language--Phraseology--Congresses.
Princeton subject headings:
Comparative literature--German and Spanish.
German language--Phraseology.
German language--Semantics.
Spanish language--Phraseology.
Spanish language--Semantics.