Ericsson, Gustaf (1992) [First published 1877-78]. Hellquist, Magdalena (ed.). Folklivet i Åkers och Rekarne härader [Everyday Life in the Districts of Åker and Rekarne] (PDF) (in Swedish). Vol. 3. Uppsala: The Institute of Dialect and Folklore Research. pp. 88, 176, 190. ISBN978-91-85540-57-0. Archived from the original(PDF) on 2017-11-07. Retrieved 2017-11-01.
Ericsson, Gustaf (1992) [First published 1877-78]. Hellquist, Magdalena (ed.). Folklivet i Åkers och Rekarne härader [Everyday Life in the Districts of Åker and Rekarne] (PDF) (in Swedish). Vol. 3. Uppsala: The Institute of Dialect and Folklore Research. pp. 88, 176, 190. ISBN978-91-85540-57-0. Archived from the original(PDF) on 2017-11-07. Retrieved 2017-11-01.