All documents on the website are publicly available and can be freely referenced. All relevant documentation and background literature of the WED project can be found here:
This where to go to find about specific variables and other metadata. This page contains documents and files describing the data, as well as survey forms, and official guidance from ONS.
This is where to go to see how the WED datasets have been constructed. This page holds all the detailed coding to generate the WED datasets, along with diagrams of how the programs fit together and explanations of the coding in plain English.
This page is where all the quality assurance documentation is stored: analysis that was carried out, findings, and (where relevant) how and why new variables were created.