141. IOR/V/19/86 Reference (shelfmark): IOR/V/19/86 Title: Records of the Survey of India, Vol 16, Annual reports of parties and officers 1920-21 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1920-1921 Extent: 1 volume
142. IOR/V/19/88 Reference (shelfmark): IOR/V/19/88 Title: Records of the Survey of India, Vol 18, Annual reports of parties and officers 1921-22 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1921-1922 Extent: 1 volume
143. IOR/V/19/70 Reference (shelfmark): IOR/V/19/70 Title: Records of the Survey of India, Vol 1, Reports of the survey parties, 1909-10 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1909-1910 Extent: 1 volume
144. IOR/V/19/71 Reference (shelfmark): IOR/V/19/71 Title: Records of the Survey of India, Vol 2, Reports of the survey parties, 1910-11 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1910-1911 Extent: 1 volume
145. IOR/V/19/72 Reference (shelfmark): IOR/V/19/72 Title: Records of the Survey of India, Vol 3, Reports of the survey parties, 1911-12 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1911-1912 Extent: 1 volume
146. IOR/V/19/74 Reference (shelfmark): IOR/V/19/74 Title: Records of the Survey of India, Vol 5, Reports of the survey parties 1912-13 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1912-1913 Extent: 1 volume
147. IOR/V/19/229 Reference (shelfmark): IOR/V/19/229 Title: Survey of India Professional Paper No. 22, Three sources of error in precise levelling. G. Bomford. Dehra Dun, 1928 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928 Extent: 1 volume
148. IOR/V/19/231 Reference (shelfmark): IOR/V/19/231 Title: Survey of India Professional Paper No. 24, Notes on air survey in India. W.J. Norman. Dehra Dun, 1929 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1929 Extent: 1 volume
149. IOR/V/19/235 Reference (shelfmark): IOR/V/19/235 Title: Survey of India Professional Paper No. 28, The readjustment of the Indian triangulation. G. Bomford. Dehra Dun, 1939 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1939 Extent: 1 volume
150. IOR/V/19/247 Reference (shelfmark): IOR/V/19/247 Title: Survey of India Departmental Paper No. 13, Notes on spherical trigonometry, astronomy etc. C.M. Thompson. Dehra Dun, 1929 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1929 Extent: 1 volume