Columbia subject headings:
Alexandrou, Arēs.
Drosou, Kaitē.
Ritsos, Giannēs, 1909-1990--Correspondence.
Harvard subject headings:
Alexandrou, Arēs.
Drosou, Kaitē.
Ritsos, Giannēs, 1909-1990--Correspondence.
Princeton subject headings:
Alexandrou, Arēs--Correspondence.
Drosou, Kaitē--Correspondence.
Poets, Greek (Modern)--20th century--Correspondence.
Ritsos, Giannēs, 1909-1990--Correspondence.