<a href="https://en.wikipedia.org/wiki/8_bore" class="extiw" title="w:8 bore">8 bore</a> Paradox cartridge
Unknown author<span style="display: none;">Unknown author</span>
<a href="https://en.wikipedia.org/wiki/John_Henry_Walsh" class="extiw" title="w:John Henry Walsh">John Henry Walsh</a>, <i>The modern sportsman's gun and rifle: including game and wildfowl guns, sporting and match rifles, and revolvers</i>, London: Horace Cox, 1884.