[Mme de SEVIGNE] MONMERQUE, Louis. Lettres de Madame de Sévigné de sa Famille et de ses Amis. 1862-1866.

Reference edition of the letters of Mme de Sevigné established by Louis Monmerque and taken up by Hachette in his collection of Great Writers of France.
The first twelve volumes published in 1862 consist of letters. Volumes 13 and 14 published in 1866 are a study by Sommer on the Lexique de la langue de Madame de Sevigné.
In addition will be pubished in 1868 an album and two volumes of unpublished letters which are not present here.