For Liszt I would always go for EMD.All the Bach/Busoni has been published by Dover and the Bach/Rach as well.The Alkan was published by Musica Obscura.Thal
I use Dover for many Liszt transcriptions, but I can't comment as to its merits in comparison to other editions. Peters might be a good choice, as the Liszt tends to be edited by von Sauer. The Beethoven-Alkan is published by Musica Obscura. I think the cadenza (but only the cadenza) is publsiehed by Billaudot.
Thal means EMB