Vol 1:
http://books.google.com/books?id=TUK7_25FflsC
http://books.google.com/books?id=T6UEAAAAYAAJ
http://books.google.com/books?id=o1wIAAAAQAAJ
Vol 2 (1833):
http://books.google.com/books?id=KNqCSQS5TgcC
http://books.google.com/books?id=HqUEAAAAYAAJ
http://books.google.com/books?id=0FwIAAAAQAAJ
Memoirs of Marshal Ney, published by his family. 1833-1834:
Vol 1:
http://www.archive.org/details/memoirsofmarshal00neymuoftol
http://books.google.com/books?id=yKg7AAAAMAAJ
http://books.google.com/books?id=mZfipPYjD48C
Vol 2:
http://books.google.com/books?id=SI1ijKz1_i8C
Military studies: written for the use of his officers / tr. from the marshal’s original manuscripts, by G.H. Caunter; with an introduction and diagrams, by Major A. James by Michel Ney. 1833. 116 p. diagr.: