Account of the Operations of the Great Trigonometrical Survey of India, Vol 1, The standards of measure and the base-lines; also an introductory account of the early operations of the Survey during the period 1800-1830. J.T. Walker. Dehra Doon, 1870
Account of the Operations of the Great Trigonometrical Survey of India, Vol 2, History and general description of the principal triangulation and of its reduction. J.T. Walker. Dehra Dun, 1879
Account of the Operations of the Great Trigonometrical Survey of India, Vol 3, The Principal Triangulation: the base-line figures, the Karachi Longtitudinal, NW Himalaya, and Great Indus series of the North-West Quadrilateral. J.T. Walker. Dehra Doon, 1873
Account of the Operations of the Great Trigonometrical Survey of India, Vol 4, The Principal Triangulation: the Great Arc (section 24° - 30°), Rahun, Gurhagarh and Jogi-Tila Meridional series, and the Sutlej series of the North-West Quadrilateral. J.T. Walker. Dehra Dun, 1876
Account of the Operations of the Great Trigonometrical Survey of India, Vol 4A, General description of the Principal Triangulation of the Jodhpore and the Eastern Sind Meridional series of the North-West Quadrilateral, with the details of their reduction and the final results. C.T. Haig. Dehra Dun, 1886
Account of the Operations of the Great Trigonometrical Survey of India, Vol 5, Details of the pendulum operations by Captains J.P. Basevi and W.J. Heaviside and of their reduction. J.T. Walker. Dehra Dun, 1879
Account of the Operations of the Great Trigonometrical Survey of India, Vol 6, The Principal Triangulation of the South-East Quadrilateral, including the Great Arc, section 18° to 24°, the East Coast series, the Calcutta and the Bider Longtitudinal series, the Jabalpur and the Bilaspur Meridional series, and the details of their simultaneous reduction. J.T. Walker. Dehra Dun, 1880
Account of the Operations of the Great Trigonometrical Survey of India, Vol 7, General description of the Principal Triangulation of the North-East Quadrilateral including the simultaneous reduction, and the details of five of the component series: the North-East Longtitudinal, the Budhon Meridional, the Rangir Meridional, the Amua Meridional, the Karara Meridional. J.T. Walker. Dehra Dun, 1882
Account of the Operations of the Great Trigonometrical Survey of India, Vol 8, Details of the Principal Triangulation of eleven of the component series of the North-East Quadrilateral including the following series: the Gurwani Meridional, the Gora Meridional, the Hurilaong Meridional, the Chendwar Meridional, the North Maluncha Meridional, the Calcutta Meridional, the East Calcutta Longtitudinal, the Brahmaputra Meridional, the Eastern Frontier section 23° to 26°, the Assam Longitudinal. J.T...
Account of the Operations of the Great Trigonometrical Survey of India, Vol 9, Electro-telegraphic longtitude operations executed during the years 1875-77 and 1880-81 by Lt Col W.M. Campbell and Major W.J. Heaviside. J.T. Walker. Dehra Dun, 1883