Keväisten toivojen riemua : Vårens hopp i jublets tecken = Celebrating the joys of spring : promotio ordinis philosophorum universitatis Helsingiensis MMXVII
Promotio ordinis philosophorum universitatis Helsingiensis MMXVII
Keväisten toivojen riemua : Vårens hopp i jublets tecken = Celebrating the joys of spring : promotio ordinis philosophorum universitatis Helsingiensis MMXVII
Promotio ordinis philosophorum universitatis Helsingiensis MMXVII