an Entity references as follows:
The Duke of Westminster's Medal for Military Literature was awarded by the Royal United Services Institute for Defence and Security Studies, (the RUSI), Whitehall, London. Awarded annually from 1997 to 2016, the Medal was given to honour a living author who has published a notable original contribution to the fields of defences studies and international security affairs. This award has been superseded by the Duke of Wellington Medal for Military History as of 2018.