Memoires de Michel Oginski sur la Pologne et les Polonais: depuis 1788 jusqua la fin de 1815, 4 vols. (1826-1827). Edited by Léonard. J. B. Chodźko (1800-1871):

http://catalog.hathitrust.org/Record/001233834

Vol. 1:
http://books.google.com/books?id=s4FKAAAAcAAJ
http://books.google.com/books?id=vOtOAAAAcAAJ
http://books.google.com/books?id=AV5KAAAAcAAJ

Vol. 2:
http://books.google.com/books?id=I15KAAAAcAAJ
http://books.google.com/books?id=sH5KAAAAcAAJ
https://archive.org/details/mmoiresdemichel02ogingoog

Vol. 3:
http://books.google.com/books?id=dOtOAAAAcAAJ
http://books.google.com/books?id=pOtOAAAAcAAJ
https://archive.org/details/mmoiresdemichel00ogigoog

Vol. 4:
http://books.google.com/books?id=IWBKAAAAcAAJ
https://archive.org/details/mmoiresdemichel01chodgoog
https://archive.org/details/mmoiresdemichel03ogingoog
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Michel Kleofas Oginski, 1765-1833:

http://en.wikipedia.org/wiki/Micha%C5%82_Kleofas_Ogi%C5%84ski