Here are some links on yoga and vedanta, mainly from April 2005 archives.
yama and niyama by Shri. VS
What is tapas? 2
The ones given in 17th chapter do not count, as they are the practice
Yoga and Vedanta: part 9 (Which has the links to other posts,
My praNAms to the author (Shri VS-ji) and his guru parampara.
Also see this link by Shri Chittaranjan-ji.
Also refer to the previously linked paper by Shri Michael Comans.
Postscript See this post on advaitin.