AIATSIS focuses on the history and heritage of Aboriginal and Torres Strait Islanders. The site includes resources, research and publications. It also has a section on Aboriginal family history.
Open Library collects details of published books. It also holds loanable copies of ebooks including some about or from Australia. It makes audiobooks available to print for disabled people.
Project Gutenberg is an online library of free eBooks. It largely contains books that are in the public domain. These have been digitised by volunteers.