Higher education and national identity : Polish student activism in Russia 1832-1863

Doctoral dissertation, University of Helsinki

The discourse on political pluralism in early eighteenth-century England : a conceptual study with special reference to terminology of religious origin

Doctoral dissertation, University of Jyväskylä

Slovakia - a playground for nationalism and national identity : manifestations of the national identity of the Slovaks 1918-1920

Väitöskirja, Joensuun yliopisto

Changes in the thermal growing season in Nordic countries during the past century and prospects for the future

Selostus: Termisen kasvukauden muutokset Pohjoismaissa viimeisen vuosisadan aikana ja tulevaisuudessa