Joint-Stock Companies. Return of the names, objects, places where business is or was conducted, … of all Joint Stock Companies formed or registered since the 31st day of May 1864 to the 31st day of May 1866. Parliamentary Papers 1866 p.91.
National Archives: BT286/65.
Stannaries. Return of all mines within the Stannaries of Cornwall and Devon registered as Joint Stock Companies in each year.. from the passing of the Joint Stock Companies Act (1844) to the 31st day of December 1868. Parliamentary Papers 1868-1869 p.3.