Legal encyclopaedias summarise aspects of the law, giving you an overview and pointing to important legislation and cases (primary sources).
Laws of Australia (Westlaw)
Halsbury's Laws of Australia (Lexis Advance)
Legal commentaries provide up to date, detailed information on a particular subject area. They often provide a mixture of expert commentary, legislation and key cases.
Journal articles are a secondary resource useful for analyses and opinions on legal issues. Below are some of the subject specific journals for Criminal Law. Remember, the Journal Databases listed in the Secondary Resources tab are a great place to start your search.