Geoffrey Serle (1979), Henry Hyde Champion (1859–1928), Australian Dictionary of Biography website, National Centre of Biography, Australian National University; accessed 14 June 2024.
H. S. Olcott, Old Diary Leaves, The Theosophist, Vol. 27, No. 4, January 1906, page 246; the article relates to a visit to Melbourne by the author in 1897.