Great British gunmakers, 1740-1790 :
the history of John Twigg and the Packington guns /
W. Keith Neal & D. H. L. Back.
APA Citation
Neal, W. Keith (William Keith)., Black, D. Henry Lempriere. (1975). Great British gunmakers, 1740-1790: the history of John Twigg and the Packington guns. London: Sotheby Parke Bernet Publications.
MLA Citation
Neal, W. Keith (William Keith), and David Henry Lempriere Black. Great British Gunmakers, 1740-1790: the History of John Twigg And the Packington Guns. London: Sotheby Parke Bernet Publications, 1975.
Warning: These citations may not always be complete (especially for serials).