Goldfields Involvement, 1854
Post 1854 Experiences
In 1858 William Cooper was Secretary of the Ballarat Prospecting Association.
In 1860 William Cooper was Secretary of the Ballarat West Fire Brigade, 
Corfield, J.,Wickham, D., & Gervasoni, C. The Eureka Encyclopaedia, Ballarat Heritage Services, 2004.
- Wickham, Dorothy, Shot in the Dark: Being the Petition for the Compensation Case of Benden S. Hassell, Ballarat Heritage Services, 1998.
- Ballarat Star, 1 June 1858.
- Ballarat Star, 24 February 1860.