found: His Mirifici logarithmorum canonis descriptio, 1614.
found: DNB(Napier or Neper, John, 1550-1617)
found: InU/Wing STC files(usage: John Naipper)
found: Gunter, E. A canon of triangles, 1620:t.p. (the Lord of Merchistone)
found: Wikipedia, 5 Jun. 2008(John Napier of Merchistoun; Marvellous Merchiston)
found: Wikipedia, 1 April, 2020(John Napier of Merchiston (1 February 1550-4 April 1617); also signed as Neper, Nepair; nicknamed Marvellous Merchiston; was a Scottish landowner known as a mathematician, physicist, and astronomer; was the 8th Laird of Merchiston; born in Merchiston Tower [also known as Merchiston Castle] in Edinburgh, now part of the facilities of Edinburgh Napier University; is best known as the discoverer of logarithms; he also invented the so-called "Napier's bones" and made common the use of the decimal point in arithmetic and mathematics; died at home at Merchiston Castle, Edinburgh)
