Tlačiar a viazač v Gregynog Press, učiteľ výroby papiera v Leicester College of Art
Zdroj dát
Some papers hand made, 1959: ; t.p. (John Mason) p. 5, etc. (type founder, printer and binder at the Gregynog Press; instructor in papermaking at the Leicester College of Art)
LC in RLIN, Aug. 7, 2001: ; (hdg.: Mason, John, 1901- ; usage: John Mason)
