1. IOR/V/27/611/11 Reference (shelfmark): IOR/V/27/611/11 Title: Bengal. Department of Commerce and Industry, Special rules [for coal mines] under Section 21 of the Indian Mines Act, 1901 (VIII of 1901). Calcutta, 1912 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1912 Extent: 1 volume