1
Published: 1934
Superior document: Annales Academiæ Scientiarum Fennicæ : Ser. B 32,1
2
Published: 1960
Superior document: Annales Academiae Scientiarum Fennicae : Series B 123,1
3
Published: 1924
Superior document: Annales Academiae Scientiarum Fennicae : Ser. B 18,1
4
Published: 1929
Superior document: Turun Yliopiston julkaisuja : Sarja B, Humaniora 8
5
Published: 1936
Superior document: Mémoires de la Société Néophilologique de Helsingfors 11,[2]