classic transmog sets

[crunchycabbage]

It has come to my attention that there exist highly prised sets of green quality armors that people use for transmog,
sets, that go for more than 500g a piece.
Where can i find some information with lists of such sets, so i don't accidentaly DE those?

[Thydus]

https://www.wowhead.com/classic-world-transmog-sets
This is pretty much it.