Columbia subject headings:
Ekelöf, Gunnar, 1907-1968--Correspondence.
Walldén, Gottfrid--Correspondence.
Harvard subject headings:
Ekelöf, Gunnar, 1907-1968--Correspondence.
Walldén, Gottfrid--Correspondence.
Princeton subject headings:
Authors, Swedish--20th century--Correspondence.
Ekelöf, Gunnar, 1907-1968. Correspondence.
Greece--Civilization.
Walldén, Gottfrid, 1902-1967xCorrespondence.