Among the record sets within this collection are convict transportation records, gaol registers (some in England, some in Australia), Scottish maritime records, Irish poor law records, jury lists, police gazettes, cemetery records, and much more.You can see the full list of records in the Black Sheep Collection here.
To access the collection you'll need to register (if you haven't done so previously) with Ancestry Australia. Only your name and email address are needed to register. You will then be sent a username and password to access the records. The free access period will end at 11:59pm AEST on Monday 13 June. Full terms and conditions are on the site.