no need for Bentley/Haynes manuals because the Subaru Factory Service Manual is available.
Long ago, I purchased the 3 day subscription and downloaded every pdf for my 04. I think there's a limit to the amount you can download now though. Not sure. You can find them 'out there' on the internet, either posted or for sale but be aware that it can be a touchy subject on here due to copyright issues.
*search for FSM