- known as
- Romanist, diplomat, university teacher
- awards
- honorary doctorate of the University of Oslo, honorary doctorate of the University of Glasgow, Corresponding Fellow of the Medieval Academy of America, 1937, doctor honoris causa from the University of Paris, 1938, Knight First Class of the Order of the White Rose of Finland, 1921, Commander of the Order of the White Rose of Finland, 1934, Cross of Liberty, 4th Class, 1940, Memorial medal of the Winter War, Memorial medal of the Continuation War, Commander First Class of the Order of the Lion of Finland, 1948, Officer of the Legion of Honour, 1921, Commander of the Order of Polonia Restituta, 1927, Officier de l'Instruction publique, 1932, commander of the Order of the Crown of Italy, 1934, Order of the Three Stars, 3rd Class, 1937, Grand Officer of the Order of the Crown (Romania), 1942, Grand Officer of the Legion of Honour, 1946
- member of
- Finnish Academy of Science and Letters, Academie Royale de Langue et de littérature Françaises, 1952 to 1959, Académie des Inscriptions et Belles-Lettres, 1947 to 1959, Philological Section of the Institute for Catalan Studies, from 1954, Medieval Academy of America, from 1937