found: His Collected madrigals, c1976:t.p. (Richard Nicolson) p. iv (date of birth unknown; d. Oxford, 1639)
found: New Grove(Nicholson (Nicolson), Richard; fl. 1595, d. 1639, Oxford; organist and composer)
found: Grovemusic WWW site, July 10, 2002(Nicholson (Nicolson), Richard; bap. Sept. 26, 1563, d. 1639, Oxford; English organist and composer; "he may be the person of this name who was a chorister at Durham Cathedral from 1576 to 1580 and whose baptism is recorded in the St. Oswald's (Durham) parish register for 26 September 1563")