JAKOBSSON, O. Jakobstad, vintern 1918: Anna Bondenstam, Jakobstad, vintern 1918. Pietarsaaren talvi 1918. Historisk Tidskrift för Finland, [S. l.], v. 77, n. 2, 1992. Disponível em: https://journal.fi/htf/article/view/66083. Acesso em: 23 maj. 2024.