Kingo Jacobsen., N. 1961. “D. R. Denman: Origins of Ownership. A Brief History of Land Ownership and Tenure from Earliest Times to the Modern Era. George Allen and Unwin. London 1958. 14½X22 Cm. 190 Sider. 22 6 Net”. Geografisk Tidsskrift 60 (januar). https://tidsskrift.dk/geografisktidsskrift/article/view/46681.