Porsmose, Erland. “Svend Gissel, Eino Jutikkala, Eva Österberg, Jørn Sandnes, Björn Teitsson: Desertion and Land Colonization in the Nordic Countries C. 1300-1600. Comparative Report from The Scandinavian Research Project on Deserted Farms and Villages. Det Nordiske Ødegårdsprosjekt Publikation Nr. 11. Stockholm, Almqvist & Wiksell International, 1981. 304 S”. Historisk Tidsskrift, bd. 14, januar 1983, doi:10.7146/ht.v14i0.52579.