1. A reconnaissance map of medieval alluvial ploughlands in the Vale of Berkeley, Gloucestershire and Avon;Allen;Transactions of the Bristol and Gloucestershire Archaeological Society,1992
2. Allen , R. C. English and Welsh agriculture 1300-1850: output, inputs and income 2005 c c http://www.helsinki.fi/iehc2006/papers3/Allen.pdf
3. Agricultural productivity and rural incomes in England and the Yangtze Delta, c. 1620-c. 1820;Allen;Economic History Review,2009