Autograph letters signed (31) and typed letters signed (6) : various places, to Henry George and Helen Lyons, 1898 March 3-1906 May 5.

Collection of 37 letters by Lord Cromer, chiefly addressed to Helen Lyons (34) and to her husband, geologist Henry George Lyons (3); written during the years 1898 to 1906, when Cromer was employed as consul-general of Egypt and overseeing Henry George Lyons's Cadastral survey of Egypt.