Housing+folder

Another possibility is you include a grid or table of contents in each folder to be more specific with the information.

OR

You can just add the sources or documents which you may found relevant, for example: [] (you may add a bit of information of the site, what is the purpose, directed to whom). This article gives information about the rent prices in Darwin and compare with other capitals cities around Australia. The article estavblish that the median weekly rent in Darwin for a house is of AU$500, which for a single income could be really hard to pay off.

AND (you can do the same with other sources)  [] [] [] []