See:
http://books.google.com/books?id=xGsaAAAAYAAJ&pg=PA152
http://books.google.com/books?id=Nh9BAAAAYAAJ&pg=PA388
http://books.google.com/books?id=HjgTxBCoaf8C&pg=PA211
http://books.google.com/books?id=VHI2AAAAMAAJ&pg=PA274
http://books.google.com/books?id=z3wvAAAAMAAJ&pg=PA460
http://books.google.com/books?id=ZoUkAQAAIAAJ&pg=PA459
http://books.google.com/books?id=7bQ-AAAAYAAJ&pg=PA19
I used as Google search term - "31e" chasseurs