Letter from Harriet A Jevons, 2 The Chestnuts, Branch Hill, Hampstead, to the Secretary of the Royal Society Mrs Jevons intends to publish her husband [William Stanley Jevons] 'minor logical writings' and asks the Society's permission to reprint his 'paper on "the mechanical performance of logical inference" read before the Society on 20th January 1870'. 13 February 1888