Royal Niger Company. Papers with respect to revocation of the charter of the Royal Niger Company, and the taking over by H.M. Government of the rights and powers of the Company; Notes on the Niger District and Niger Coasts Protectorates, 1882-93; the Royal Charter of National African Company, 1886; List of treaties with native chiefs, 1884-92; Balance sheets and statements of revenue and expenditure of the Niger Government, 1887-98