Greener, William (1806-1869) and William Wellington (1834-1921)

The Gun, or a Treatise on the Various Descriptions of Small Fire-Arms 1835
http://books.google.com/books?id=oIEY4qL6_z0C

The Science of Gunnery, as Applied to the Use and Construction of Fire-Arms 1841
http://books.google.com/books?id=ThYkeKlemD8C

Gunnery in 1858: Being a Treatise on Rifles, Cannon, and Sporting Arms
http://books.google.com/books?id=A4TPW796iD8C

The Gun and Its Development: With Notes on Shooting 1881
http://books.google.com/books?id=LAsAAAAAQAAJ

Modern Shotguns
1888 http://books.google.com/books?id=FW8CAAAAYAAJ
1891 http://www.archive.org/details/modernshotguns00greeuoft

The Breechloader and How to Use It 1893
http://books.google.com/books?id=LdE1AAAAMAAJ

The Gun and Its Development 8th Edition 1907
http://books.google.com/books?id=3HMCAAAAYAAJ
Editions available: 3rd - 1885, 4th - 1888, 5th - 1892, 6th - 1896, 9th - 1910

Choke Bore Guns: Tried at Targets and on Game
http://books.google.com/books?id=kTT-GwAACAAJ
Not yet digitized

https://sites.google.com/a/damascusknowledge.com/www/home