IF there are before current copyright restrictions.

Here is an example -

Selected Works of Plotinus. On the center right, there is a download button - and away you go!

For the "spiritual historian", as it were - either Buddhist, Hindu, Esoteric Christian, etc - I assume that more and more books will become available.  I looked for some Aurobindo in the Free Library, but didn't find it.

The trick for finding the early stuff, is to choose "Full View books" as a search option, and then include free library, as well as what you are searching for. 

Referred by this post from Google Blogoscoped.

The offical blog post here.

Here is the link.

Covers some of the same ground I've covered, with links for more details.

Information here.

I'm not sure how much this lawsuit is based on a particular way of doing something - perhaps some code issues - or just a METHOD. 

Like Amazon's one-click patent - these type of patents are a travesty.  It's like patenting a walking path, getting from A to B.  As long as the code is not reused - (a lot of learning technology is based upon open specifications - look at IMS - so this type of patent is incredibly damaging to competition, in what is essentially a smaller enterprise market.

Now - how does this effect Integral?  Well, for one, there has been something launched at Integral Institute, called the Integral University.  While of course low on the totem pole - the broadness of the patents could conceivably put ANY online learning system in the crosshairs.