Source
Foot, The Olga Hirsch... (1981)
Mirjam M. Foot (1981), “The Olga Hirsch Collection of Decorated Papers”, British Library Journal 7, 1 (Spring), pp. 12-38. http://www.bl.uk/reshelp/pdfs/bljarticle1981.pdf (accessed April 2015).
Additional Reference
p. 296