Economic impact of the Gold of the Pharaohs exhibitionBrian S. Duffield · First published 1990Open the Tome
A research study into monitoring the use of informal recreation sitesBrian S. Duffield · First published 1981Open the Tome
Outdoor recreational traffic patterns in the Edinburgh area (without appendices)Brian S. Duffield · First published 1973Open the Tome
Leisure (plus) countryside (equals) , a geographical appraisal of countryside recreation in the Edinburgh areaBrian S. Duffield · First published 1971Open the Tome