James Mosley, The Nymph and the Grot: the revival of the sanserif letter, London: Friends of the St Bride Printing Library, 1999 "L. Y.".
2015년 12월 12일에 확인함.  James Mosley, The Nymph and the Grot: the revival of the sanserif letter, London: Friends of the St Bride Printing Library, 1999 "L. Y.".