I take it you found them Thomas, which is good. Sorry it was difficult.
http://www.extremenetworks.com/support/documentation
We're working very hard to bring Unified Search to the Extreme web properties. Hope to have an announcement in early 2016.
In the interim, GTAC Knowledge is usually pretty good at directing traffic, as well as the Hub:
https://gtacknowledge.extremenetworks.com. We also try to be as friendly to Google as we can.
We're going to make it much easier to find stuff very soon. Thanks for joining the Hub and your trust in Extreme.