1930
Helmut Piirimäe, Estonian historian and academic (died 2017)
Helmut Piirimäe, Estonian historian and academic (died 2017)
Helmut Piirimäe, Estonian historian and academic (died 2017)
Estonian historian (1930–2017)
Helmut Piirimäe, Estonian historian and academic (died 2017)
Helmut Piirimäe, Estonian historian and academic (died 2017)