A good reference for Cockroaches is the book “A Guide to the Cockroaches of Australia” by David Rentz. https://www.publish.csiro.au/book/6710/
This webpage by the CSIRO is also useful:
http://anic.ento.csiro.au/insectfamilies/order_overview.aspx?OrderID=42509&PageID=overview
Robshelfordia circumducta at Belconnen, ACT
Robshelfordia circumducta at Melba, ACT
Johnrehnia solida at Belconnen, ACT
Blattodea (order) at Belconnen, ACT
Blattidae sp. (family) at Goulburn, NSW
Laxta granicollis at Higgins, ACT
Laxta granicollis at Higgins, ACT
Laxta sp. (genus) at Higgins, ACT