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A model of a mystery: the medieval parish as a spatial system (1970)
Luftfoto-arkaeologi: Air archaeology in Denmark, with an example from Thisted (1971)
The nostalgia index of historical landscapes in Denmark (1972)
Light plane, small film, big changes: illustrations of air photography as a technique in historical urban geography (1972)
Exploiting a Danish Domesday in the study of ridge and furrow (1973)
Kvartalets foto: Strandkaers bymark 1971: the quarterly photo : Strandkaer's townlands 1971 (1972)
Some further comments on the deserted medieval village site of Middle Ditchford, Gloucestershire (1974)
Planning the past: historical landscape resources and recreation (1979)