"West Province Election". Nor-west Echo. Vol. 8, no. 376. Western Australia. 12 July 1919. p. 10. Retrieved 16 May 2024 – via National Library of Australia.
"LIEUTENANT HARRY BOLTON". The Daily News (Third Edition). Vol. XXXVII, no. 13, 656. Perth. 29 November 1918. p. 4. Retrieved 16 May 2024 – via National Library of Australia.
"Family Notices". The West Australian. Vol. 52, no. 15652. Perth. 25 August 1936. p. 9. Retrieved 16 May 2024 – via National Library of Australia.
"Family Notices". The West Australian. Vol. XX, no. 5701. Perth. 22 June 1904. p. 1. Retrieved 16 May 2024 – via National Library of Australia.