Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://www.urbipedia.org/hoja/Casa_Karpio
http://alvaraaltosarchitecture.blogspot.com/2018/06/aaltos-first-works-in-jyvaskyla.html
https://finnisharchitecture.fi/villa-karpio-alterations/
Google Maps
Google Earth Pro
https://visitjyvaskyla.fi/en/attractions/villa-karpio-1923-2/
https://www.ribapix.com/karpio-summer-villa-oksalankuja-1-jyvaskyla_riba108390
https://www.ribapix.com/karpio-summer-villa-oksalankuja-1-jyvaskyla_riba108392