Columbia subject headings:
Harvard subject headings:
English language--Grammar, Comparative--Greek.
English language--Phonology, Comparative--Greek.
Greek language--Grammar, Comparative--English.
Greek language--Phonology, Comparative--English.
Princeton subject headings:
English language--Grammar, Comparative--Greek.
English language--Phonology, Comparative--Greek.
Greek language--Grammar, Comparative--English.
Greek language--Phonology, Comparative--English.