There are many institutions and organisations that might be able to assist you with your family research. These are a few we think might be helpful.
Victoria
Chinese Australian Cultural Society Ballarat – http://www.chineseballarat.org.au
Golden Dragon Museum (Bendigo) – http://www.goldendragonmuseum.org
Museum of Chinese Australian History (Melbourne) – http://www.chinesemuseum.com.au
Gum San Chinese Cultural Centre (Ararat) – http://www.gumsan.com.au
Chinese Heritage Interest Network – http://chinese-heritage.tripod.com
New South Wales
Chinese Australian Historical Society, Inc. (Sydney) – https://chineseaustralianhistory.org
Chinese Heritage Association of Australia Inc (Sydney) – http://www.chineseheritage.org.au
Queensland
Chinese Heritage in Northern Australia Inc. (CHINA Inc.) – http://chinainc.yolasite.com
Northern Territory
Chung Wah Society, Darwin – http://www.chungwahnt.asn.au
Western Australia
Chung Wah Association, Perth – http://www.chungwah.org.au
Overseas
The Chinese Historical Society of America – http://www.chsa.org
Chinese Canadian Historical Society BC – http://www.cchsbc.ca