Series of 9 old books 18th works by Piron

Lot of 9 old books from the 18th century works by Piron D'Alexis, published by Mr. Rigoley De Juvigny. 
Honorary advisor to the Parliament of Metz, of the Academy of sciences and belles-lettres of Dijon. 
Harlequin-Deucalion Monologue in three acts given at the Opéra comique in 1722. 
The Opera-Comic rose in a given act with a prologue 
The comedy Metromania. represented, for the first time, by the French actors, on January 7, 1733,
The Mysterious Lover, etc...
they are sold in their original and used condition, it is because they have some wear and tear over time. 
As visible in the photos. 
Dimensions width 10.5 cm height 17.2 cm thickness 2.5 cm