61. IOR/L/PS/20/D135 Reference (shelfmark): IOR/L/PS/20/D135 Title: The Kachin Hills manual. Corrected up to the 1st August 1924 Rangoon: Govt of Burma, 1924 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1924 Extent: iii, 86pp
62. IOR/L/PS/20/D137/3 Reference (shelfmark): IOR/L/PS/20/D137/3 Title: Report on the Federated Shan States for the year 1934-35 Rangoon: Govt of Burma, 1936 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1936 Extent: 55pp
63. IOR/L/PS/20/D66 Reference (shelfmark): IOR/L/PS/20/D66 Title: Routes in Sikkim. Compiled by Cpt W F O'Connor, Royal Garrison Artillery Calcutta: Intelligence Branch, Quarter Master General's Dept, 1900 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1900 Extent: iv, 90pp 2 maps (in pocket)
64. IOR/L/PS/20/D141/2 Reference (shelfmark): IOR/L/PS/20/D141/2 Title: The Burma route book. Part II. Routes in north-eastern Burma. 1903 Calcutta: Intelligence Branch, Quarter Master General's Dept, 1905 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1905 Extent: iv, 304pp map (in pocket)
65. IOR/L/PS/20/D141/5 Reference (shelfmark): IOR/L/PS/20/D141/5 Title: Additions to the Burma route book, part II - routes in north-east Burma [Simla: General Staff India, 1913 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1913 Extent: 15pp
66. IOR/L/PS/20/D141/9 Reference (shelfmark): IOR/L/PS/20/D141/9 Title: Annual list of corrections and additions to Burma route book, part IV, 1906 [Simla: General Staff India, 1912] Collection Area: India Office Records and Private Papers Languages: English Date Range: 1912 Extent: 17pp
67. IOR/L/PS/20/D187/2 Reference (shelfmark): IOR/L/PS/20/D187/2 Title: Memorandum on Nepal and leading personages in that country Calcutta: Govt of India [Foreign and Political Dept], 1922 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1922 Extent: 10pp
68. IOR/L/PS/20/D187/3 Reference (shelfmark): IOR/L/PS/20/D187/3 Title: Memorandum on Nepal and leading personages in that country Calcutta: Govt of India [Foreign and Political Dept], 1922 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1922 Extent: 10pp
69. IOR/L/PS/20/D216 Reference (shelfmark): IOR/L/PS/20/D216 Title: Sikkim, Bhutan and Tibet. List of chiefs and leading families Calcutta: Govt of India [Political Officer, Gangtok], 1933 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1933 Extent: 26pp
70. IOR/L/PS/20/D221/2 Reference (shelfmark): IOR/L/PS/20/D221/2 Title: Tibetan sentences. By Sir Basil Gould and Hugh Edward Richardson Calcutta and Gangtok, Sikkim: Humphrey Milford, Oxford University Press, 1943 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1943 Extent: v, 137pp