Piano Forum

There are only two Totentanzes from Liszt - the orchestra and solo. The "other" orchestra (De Profundis) is a creation of Busoni using Liszt's ideas that he ended up rejecting before publishing. Perhaps Liszt performed it a few ways during the years, but just the usual orch & solo are official.
The Lewenthal version up there is basically the entire Liszt orchestra version, but also adding in Busoni's De Profundis ideas.

On imslp you can look at Liszt's handwritten "first version" which has a lot of "deleted scenes."

Many people who play Totentanz solo end up adding in features they like from the orchestra version (usually the longer ending.) Lisitsa, I believe, is the only one to play features from the solo edition during the orchestra version.

Leslie Howard recorded the one solo version, the usual orchestra version, and the De Profundis version, although he mentions in the liner notes that the owner of the autograph De Profundis score refused LH permission to study it. So it's authenticity was already questionable, but LH's Liszt series was wrapping  and he recorded everything real & questionable during his Piano&Orch recordings.