1. Mss Eur D1191/18 Reference (shelfmark): Mss Eur D1191/18 Title: Scope & Content: Putao District and Naga, Singpho tribes; Hun-Kawng Valley and Lakhimpur Frontier tract Central and Eastern Sections of North East Frontier Tracts of Assam and Burma, scale 1 inch to 4 miles 22 1/2" x 18 1/2" Collection Area: India Office Records and Private Papers Languages: English Date Range: 1918 Extent: Unspecified
2. Mss Eur D1191/19 Reference (shelfmark): Mss Eur D1191/19 Title: Scope & Content: Sadiya Frontier Tract of Assam, scale 1 inch to 4 miles, 22 1/2" x 18 1/2" Collection Area: India Office Records and Private Papers Languages: English Date Range: 1933 Extent: Unspecified