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Four English political tracts of the later middle ages /

London : Offices of the Royal Historical Society, University College London, 1977 090105030X

By Mullins, E. L. C. (Edward Lindsay Carson). London : Offices of the Royal Historical Society, University College London, 1983 , Includes index.

London : Offices of the Royal Historical Society, University College London, 1984 , Includes indexes.

London : Offices of the Royal Historical Society, University College, London, 1971 , English and Spanish.