HELMER PEDERSEN, Erik. Keijo Virtanen: Settlement or Return. Finnish Emigrants (1860-1930) in the International Overseas Migration Movement. Migration Studies C 5. Turku, The Migration Institute, 1979. 275 s. Historisk Tidsskrift, [S. l.], v. 14, 1983. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/52598. Acesso em: 5 dec. 2025.