1. IOR/X/14054/53K/NE Reference (shelfmark): IOR/X/14054/53K/NE Title: Sheet 53K/NE [Lansdowne] Second Edition 1929. New edition (slight alterations) 2nd 1929. Previous edition 1st 1923. Published 1923. Registered 1921. Reg.No.1700 D.21 (D.O.3–¾") 250–400'29. Collection Area: Map Collections Languages: English Date Range: 1929 Extent: 1 item
2. IOR/X/14054/53K/SE Reference (shelfmark): IOR/X/14054/53K/SE Title: Sheet 53K/SE [Kashipur First Edition] 1922. Registered 1920. Reg.No.4004. D.20 (D.O.3). 250. Collection Area: Map Collections Languages: English Date Range: 1922 Extent: 1 item
3. IOR/X/14054/78A/NW+77D/SW Reference (shelfmark): IOR/X/14054/78A/NW+77D/SW Title: Sheet 78A/NW+77D/SW [Tolung Gompa] First Edition 1941. Registered 1940. Reg.No.2267 D'40 (E.C.12–¾") 750. Collection Area: Map Collections Languages: English Date Range: 1941 Extent: Three copies.
4. 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.