(1850). A list of spur, mortise, bevel & mitre wheel paterns: Belonging to Lee Watson & Compy., engineers, brass and iron Founders, St. Helens Foundry, Lancashire. s.n.
Chicago-Zitierstil (17. Ausg.)A List of Spur, Mortise, Bevel & Mitre Wheel Paterns: Belonging to Lee Watson & Compy., Engineers, Brass and Iron Founders, St. Helens Foundry, Lancashire. S.l: s.n, 1850.
MLA-Zitierstil (9. Ausg.)A List of Spur, Mortise, Bevel & Mitre Wheel Paterns: Belonging to Lee Watson & Compy., Engineers, Brass and Iron Founders, St. Helens Foundry, Lancashire. s.n, 1850.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.