Festskrift tilla gnad Yrjo  Hirn den 7 December 1930
By: [redaktions-Kommite : Gunnar Castre n, K.S. Laurila, Hans Ruin].
Contributors: Hirn, Yrjo .; Castre n, Gunnar.; Laurila, K. S.; Ruin, Hans.
Publisher: Schildt
Published: 1930
Place of publication: Helsingfors
Language: swe