Mike,
Foch didn't claim any. Foch was a Field Marshal.
Fonck, on the other hand, claimed 125. He was credited with 75. Debate continues on the matter.
Fonck's supporters suffer from the fact that the man was very difficult to like. Bishop, however, seems to be quite likable on a personal level. Bishop's book was easier to read than Fonck's, but that's either because it wasn't translated from French or Fonck was a poorer judge of ghostwriters.
Tom