Acta Societatis Scientiarum Fennicae / Suomen Tiedeseura. text Helsingfors : [Suomen Tiedeseura], 1842-1926 [i.e. 1930] ger 50 v. : 30 cm. Part of the illustrative material is colored, part folded. Vols. 1-8, 10 have half-title: Commentationes. Vol. 49 issued in parts, 1919-28, with general t.-p. dated 1930; v. 50 issued 1920-26. Supplementary material accompanies many of the volumes. Split into: Acta Societas Scientiarum Fennicae. Nova series A; its Nova series B; and its Nova series C. Science. Notiser ur Sällskapets pro Fauna et Flora Fennica förhandlingar Acta Societas Scientiarium Fennicae. Nova series A Acta Societas Scientiarium Fennicae. Nova series B Acta Societas Scientiarium Fennicae. Nova series C