21. IOR/V/27/721/57 Reference (shelfmark): IOR/V/27/721/57 Title: India. Ministry of Railways, Bridge rules ... reprinted in 1951. Delhi, 1952 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1952 Extent: 1 volume
22. IOR/V/27/721/58 Reference (shelfmark): IOR/V/27/721/58 Title: India. Ministry of Railways, Bridge rules ... Reprinted in 1953. Delhi, 1954 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1954 Extent: 1 volume
23. IOR/V/27/721/59 Reference (shelfmark): IOR/V/27/721/59 Title: India. Ministry of Railways, Bridge rules ... Reprinted in 1955. Delhi, 1955 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1955 Extent: 1 volume
24. IOR/V/27/721/76 Reference (shelfmark): IOR/V/27/721/76 Title: India. Ministry of Railways, Indian railway standard track manual. Calcutta, 1949 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1949 Extent: 1 volume
25. IOR/V/27/721/25 Reference (shelfmark): IOR/V/27/721/25 Title: India. Railway Department, State railway establishment code, Correction slips to Vol 1, 1940-1944. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1940-1944 Extent: 1 volume
26. IOR/V/27/721/66 Reference (shelfmark): IOR/V/27/721/66 Title: India. Railway Department, Railway account code. Vol 1, 1st edition. Simla, 1932 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1932 Extent: 1 volume
27. IOR/V/27/721/67 Reference (shelfmark): IOR/V/27/721/67 Title: India. Auditor General, Railway audit code, 1st edition, reprint, Delhi, 1939 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1939 Extent: 1 volume
28. IOR/V/27/721/16 Reference (shelfmark): IOR/V/27/721/16 Title: India. Railway Department, State railway construction code. 1st edition [with correction slips]. Calcutta, 1909 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1909 Extent: 1 volume
29. IOR/V/27/721/94 Reference (shelfmark): IOR/V/27/721/94 Title: Indian Railways Conference Association, Conference regulations, Part 2 ... 1918-19 [with correction slips]. Calcutta: East Indian Railway Press, 1918 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1918 Extent: 1 volume
30. IOR/V/27/721/95 Reference (shelfmark): IOR/V/27/721/95 Title: Indian Railways Conference Association, Conference regulations, Part 2 ... 1919-20 [with correction slips]. Calcutta: East Indian Railway Press, 1919 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1919 Extent: 1 volume