Columbia subject headings:
Earth sciences--Terminology.
English language--Dictionaries--Spanish.
Spanish language--Dictionaries--English.
Harvard subject headings:
Princeton subject headings:
Dictionaries.
Earth sciences--Terminology.
English language--Dictionaries--Spanish.
English language--Technical English--Glossaries, vocabularies, etc.
Geology--Terminology.
Spanish language--Dictionaries--English.
Spanish language--Technical Spanish--Glossaries, vocabularies, etc.