"Arjalaisrotu – puhdas myytti" [The Aryan Race – A Pure Myth]. Helsingin Sanomat (in Finnish). Helsinki. 15 August 1934. p. 4. Retrieved 3 October 2020.
Lassila, Pertti (12 February 1976). "Brechtin ja Wuolijoen yhteistyö uuteen valoon" [The Collaboration of Brecht and Wuolijoki in a New Light]. Helsingin Sanomat. Helsinki. p. 19. Retrieved 3 October 2020.
kansallisbiografia.fi
Leikola, Anto (21 March 2005). "Lassila, Väinö (1896–1939)". The National Biography of Finland (in Finnish). Finnish Literature Society. Archived from the original on 7 December 2020. Retrieved 3 October 2020.
ouka.fi
lyseo.edu.ouka.fi
Isaksson, Pekka (1998). "Suomalaisia rotuoppien arvostelijoita" [Critics of the Finnish Race Theories]. Rasismin historia (in Finnish). Oulu Lyceum. Archived from the original on 2016-07-06. Retrieved 3 October 2020.
Ruohonen, Juha (2012). "Kalmistoja, kaivauksia, kallonmittausta. Fyysisen antropologian tutkimuskohteita Pohjois-Suomessa" [Cemeteries, Excavations, Craniological Measurements. Studies in Physical Anthropology in Northern Finland]. Faravid 2012 : Pohjois-Suomen historiallisen yhdistyksen vuosikirja XXXVI (in Finnish). Rovaniemi: The Historical Association of Northern Finland. p. 69. ISSN0356-5629. Archived from the original on 2024-04-28. Retrieved 2020-10-03. {{cite book}}: |journal= ignored (help)
web.archive.org
Leikola, Anto (21 March 2005). "Lassila, Väinö (1896–1939)". The National Biography of Finland (in Finnish). Finnish Literature Society. Archived from the original on 7 December 2020. Retrieved 3 October 2020.
Ruohonen, Juha (2012). "Kalmistoja, kaivauksia, kallonmittausta. Fyysisen antropologian tutkimuskohteita Pohjois-Suomessa" [Cemeteries, Excavations, Craniological Measurements. Studies in Physical Anthropology in Northern Finland]. Faravid 2012 : Pohjois-Suomen historiallisen yhdistyksen vuosikirja XXXVI (in Finnish). Rovaniemi: The Historical Association of Northern Finland. p. 69. ISSN0356-5629. Archived from the original on 2024-04-28. Retrieved 2020-10-03. {{cite book}}: |journal= ignored (help)
Isaksson, Pekka (1998). "Suomalaisia rotuoppien arvostelijoita" [Critics of the Finnish Race Theories]. Rasismin historia (in Finnish). Oulu Lyceum. Archived from the original on 2016-07-06. Retrieved 3 October 2020.
Ruohonen, Juha (2012). "Kalmistoja, kaivauksia, kallonmittausta. Fyysisen antropologian tutkimuskohteita Pohjois-Suomessa" [Cemeteries, Excavations, Craniological Measurements. Studies in Physical Anthropology in Northern Finland]. Faravid 2012 : Pohjois-Suomen historiallisen yhdistyksen vuosikirja XXXVI (in Finnish). Rovaniemi: The Historical Association of Northern Finland. p. 69. ISSN0356-5629. Archived from the original on 2024-04-28. Retrieved 2020-10-03. {{cite book}}: |journal= ignored (help)
