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 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 12, General description of the principal triangulation of the Southern Trigon including the simultaneous reduction and the details of two of the component series: the Great Arc Meridional, section 8° to 18°, and the Bombay Longtitudinal. G. Strahan. Dehra Dun, 1890
Account of the Operations of the Great Trigonometrical Survey of India, Vol 13, Details of the principal triangulation of five of the component series of the Southern Trigon including the following series: the South Konkan Coast, the Mangalore Meridional, the Madras Meridional and Coast, the South-East Coast, the Madras Longtitudinal. G. Strahan. Dehra Dun, 1890
Account of the Operations of the Great Trigonometrical Survey of India, Vol 14, General description of the principal triangulation of the South-West Quadrilateral including the simultaneous reduction and the details of its component series. W.H. Cole. Dehra Dun, 1890
Account of the Operations of the Great Trigonometrical Survey of India, Vol 16, Details of the tidal observations taken during the period from 1873 to 1892 and a description of the methods of reduction by J. Eccles. S.G. Burrard. Dehra Dun, 1901
Account of the Operations of the Great Trigonometrical Survey of India, Vol 19, Levelling of precision in India (1858-1909). S.G. Burrard. Dehra Dun, 1910
Account of the Operations of the Great Trigonometrical Survey of India, Vol 19A, Descriptions and heights of bench-marks on the southern lines of levelling. S.G. Burrard. Dehra Dun, 1910
Account of the Operations of the Great Trigonometrical Survey of India, Vol 19B, Descriptions and heights of bench-marks on the northern lines of levelling. S.G. Burrard. Dehra Dun, 1910