MACMILLAN ARCHIVE. Vol. CDXI. Correspondence with Herbert S. Foxwell; 1885-1920. Herbert Somerton Foxwell, economist: Correspondence with Macmillan and Co.: 1885-1920.
MACMILLAN ARCHIVE. Vol. CDXII. Correspondence with Andrew R. Forsyth; 1885-1941. Andrew Russell Forsyth, mathematician: Correspondence with Macmillan and Co.: 1885-1941.
MACMILLAN ARCHIVE. Vol. CXXXII. Correspondence with Thomas Hughes and his wife; 1856-1907, n.d. Thomas Hughes, MP; author: Correspondence with Macmillan and Co.: 1856-1907, n.d: Partly copies.