Not studying at Macquarie Uni? Check your school or local library for these titles.
Extension books have more in-depth information, but usually require some background knowledge in the area.
Identify key words and concepts to find relevant results. When searching in MultiSearch, you can use the filters on the left hand side of the page to narrow your results by date, type of resource and subject heading.
Subject headings can be a way of finding more relevant resources, as these items have been 'tagged' as being about a subject, rather than just including your search terms. In MultiSearch, Google Scholar, Trove (the National Library website) and most other search tools, look for 'advanced search' to search by subject.
Here are some helpful subject terms for threshold 1:
Humans have grappled with the question of how the universe began throughout history, developing a number of cosmologies.
Try searching for cosmology, creation myths or mythology.