The database contains many links to external resources which may go dead due to organisations moving or removing content.
This is a major issue for all internet users and one we are aiming to address with more full text content hosted in our repository.
Please let us know if you find any links that no longer work and we will fix them as soon as possible.
You can report deadlinks either by selecting the "Report broken link" button on any resource page or by sending an email to firstname.lastname@example.org with "deadlink" as the subject. Please include the url of the APO page where you found the deadlink.