The History of the King’s Messengers, by V. Wheeler-Holohman, published by Grayson & Grayson, London 1935. 291pp, 12 colour and b&w illustrations depicting the different designs of messenger badges from 1761 to 1935, various appendices including nominal roll of King’s and Queen’s Messengers from 1641 to 1935 with dates of appointment, cloth covers £60-80