Columbia subject headings:
Greek poetry, Modern--History and criticism.
Ritsos, Giannēs, 1909-1990--Bibliography.
Ritsos, Giannēs, 1909-1990--Criticism and interpretation.
Harvard subject headings:
Greek poetry, Modern--History and criticism.
Ritsos, Giannēs, 1909-1990--Bibliography.
Ritsos, Giannēs, 1909-1990--Criticism and interpretation.
Princeton subject headings:
Ritsos, Giannēs, 1909-1990--Criticism and interpretation.