Research Materials for the History of HMI Publication These files comprise the research materials used by Stuart Maclure while working on the book, 'The Inspectors' Calling - HMI and the Shaping of Educational Policy, England and Wales, 1945-1992'. They contain various materials, including original copies and photocopies of published work, and are intended to show Maclure's research process and provide a resource to future researchers. These papers were selected and arranged by Brian Arthur and the cataloguing here is reflective of the order chosen by Arthur.