User blog comment:FairyRaven/Fairy Tail Chapter 360:The White Inheritance, Review and Commentary/@comment-9468724-20131117114459/@comment-1359322-20131117120738

Makarov told Gildarts that only the Guild Masters (except Macao) are allowed to know about Lumen Histoire so i don't think the White Legacy/Inheritance is Lumen Histoire but it might be Lumen Histoire too.