I bought this book to try and "decipher" the old acts of the 17th century civil and notary that I was doing the genealogy of my family. Some acts are TOTALLY unreadable to the novice that I am, and this book helped me, with a little practice and time to decipher some words and some phrases used at the time. Alas, several abbreviations are not repeated and then, hello "internet" that fills the holes. I think it would have been difficult to resume all abbreviations (local or regional) in one book. In summary this book helped me a lot, but in time as a novice, I'd love to find a first part "initiation" by taking a glossary of formulas or phrases (in French and Latin) most used in civil actions . Otherwise, I welcome this huge work that was a real crutch in understanding the actions. Bravo for this item. Stud