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A Deweys list was compiled by Michael Dewey in the 1990s and are hills or mountains in England or Wales over 500 metres (1,640 feet) in altitude, but below 2,000 feet (609.6 metres), with a relative height of at least 30 metres (98 feet).
The Hardys list are the high points of the UK's hill ranges, islands over 1,000 acres (404.7 hectares) and top-tier administrative areas (including County Tops). There are 342 Hardys: of 61 hill ranges, 91 islands and 190 administrative areas. 178 are in England, 31 in Wales, 107 in Scotland and 26 in Northern Ireland. The list was first compiled in the 1990s by Ian Hardy.
Prominence of 100m or more was first used by Dr Eric Yeaman to produce a list of Scottish mountains. This was eventually extended to include all of Great Britain by Mark Jackson. This list uses the name HuMPs, which stands for "Hundred Metre Prominences".
Two lists of mountains over 2,000 ft in England are those of George Bridge from 1974 whose list includes 248 mountains with a total of 408 2000-foot tops and the list of Nick Wright, published 1 year later, which has 345 tops.
Read more about this topic: Hill Lists In The British Isles