Memoirs of the Court of Catherine II and the Historic Court of St. Petersburg, by Charles Francois Philibert masson
L. C. Page and Co., 1900
A volume in Page's 20-volume "Court Memoir Series" covering several centuries of French and European history. The author, an unnamed "courtier" on the title page, is in fact Masson. He recounts the reign of the empress up until her death in 1796.