It's a developing website and also takes time to get permission to post such things. If no answer, sorry it's a covering all bases type of thing in seeing all and doing all by those web / computer savvy type of thing.
Still, could be it's a thing that is under development as with weblinks, books
etc. At some point I'm sure it will all be there, offer Dave to lend a hand if you are capable in being given a project to work on, otherwise if you gauge where the website was years ago, and is now, one should kudo Dave for it. This much less if you have a few bucks free, donate to the website.