MLMSS 2166 [microfilm]
Game family, Sir Philip Game, papers, 1930–35 – Lady Game’s correspondents include William Morris Hughes. MLMSS 363
Griffith, Sir Samuel Walker, papers, 1851–1922 – official correspondents include Edmund Barton and Hughes. MLMSS 6891 [Journal VI]
Heaney, John, papers – journal includes correspondence with Hughes, 2 May 1929. MLMSS 5904
Hunter family, papers – includes correspondence between Percy Hunter and Hughes. MLMSS 6559/1
Kelly, William Henry, personal papers – includes copy of a letter to Hughes, 17 April 1936, concerning the German colonies. MLDOC 1014
Miscellaneous documents – telegram from Hughes to Mayor of Glebe, 3 September 1916, urging formation of a strong National Referendum Committee. MLMSS 231/8
O’Reilly, Dowell Philip, papers – includes correspondence with Hughes, 1905–22. MLMSS 498
Simpson family, papers – includes correspondence with Hughes, Enid Lyons and Robert Menzies. | 
