Both W W Greener (The Gun & its Development) & Burrard (The Modern Shotgun) discuss top fasteners. Greener of course thought the only good one was his cross bolt, but Burrard took a wider view. Both of these books are rather expensive in their original publications, but both have also been reprinted in later years. I have no idea what their availibility is in France.

Miller/TN
I Didn't Say Everything I Said, Yogi Berra