DESS has carried out extensive work to document Ellington’s visits to and contacts with Sweden. The main result of the work is so far four articles.
Duke Ellington in Sweden- an overview by Rolf Dahlgren (in Swedish only)
Duke Ellington’s concerts in Sweden 1939-1973
Duke Ellington in Sweden – recordings by Duke and his sidemen (a discography)
Swedes in the Duke Ellington orchestra