The Star Wars Timeline Almanac - The Legends Sith Lord Chronology
Order of the Sithlords by Hyperion127 on DeviantArt
Are Sith Lords Always Given New Names: Star Wars Secrets | by Rui Carreira | Pop Cultured | Medium
List of the Most Powerful Sith Lords in the Star Wars Universe | Top 10
ArtStation - Sith Lords
Not sure who drew this but here are the most famous Sith lords including Naga Sadow,Darth Revan,Darth Bane,Darth Sidious and many others drawn like Christian saints in a church mural : r/StarWarsEU