1. IOR/X/14054/78A/SE Reference (shelfmark): IOR/X/14054/78A/SE Title: Sheet 78A/SE [Gangtok] First Edition 1941, reprinted 1948 with addition of grid. Registered 1940. Reg.No.2266 D'40 (E.C.12–¾") 750–2930'48. Grid IIB (Yards). Collection Area: Map Collections Languages: English Date Range: 1948 Extent: Two copies.