1. Extreme rainfall in Calderdale, 19 May 1989;Acreman;Weather,1989
2. Acreman , M. C. Collinge , V. K. 1991 The Calderdale storm revisited; an assessment of the evidence 4.11 4.16
3. Anon 1963 Dublin letter, 23 Pearce Street, Tuesday 11 June 1963
4. 1968: an outstanding year for multiple events and exceptionally heavy and widespread rainfall;Bleasdale;British Rainfall,1974