While many people have royal lines, it can be challenging to prove it because for most of us it means going back quite a ways in time, through periods where the records can be a bit sparse. For those fortunate enough to tie into a royal or noble lineage, there are many publications like those included in this collection that can help. Most of the collections in this category are published books and can be browsed. Be sure to read introductory materials to get the most from them.