Ulsig, E. (1989) “Axel Steensberg: Borup A. D. 700-1400. Deserted Settlement and its Fields in South Zealand, Denmark. (Nationalmuseet, 1983). Axel Steensberg: Borups bønder. (Wormianum, 1983)”., Historie/Jyske Samlinger, (1), s. 139. Tilgængelig hos: https://tidsskrift.dk/historiejyskesamling/article/view/40049 (Set: 6 december 2025).