51. IOR/V/27/721/30 Reference (shelfmark): IOR/V/27/721/30 Title: India. Ministry of Railways, Indian railway establishment code. Correction slips to Vol 2, 1953. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1953 Extent: 1 volume
52. IOR/V/27/721/48 Reference (shelfmark): IOR/V/27/721/48 Title: India. Railway Department, Rules for the preparation of railway projects. Revised 1926. Calcutta, 1927 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927 Extent: 1 volume
53. IOR/V/27/721/74 Reference (shelfmark): IOR/V/27/721/74 Title: India. Railway Department, Manual of statistical instructions, provisional issue [with correction slips]. Simla, 1946 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1946 Extent: 1 volume
54. IOR/V/27/721/45 Reference (shelfmark): IOR/V/27/721/45 Title: India. Railway Department, Book of corrections to State Railway Codes (final issues) 1941-1949. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1941-1949 Extent: 1 volume
55. IOR/V/27/721/63 Reference (shelfmark): IOR/V/27/721/63 Title: India. Auditor General, Railway audit and account code. Appendices, 1st edition. Calcutta, 1923 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1923 Extent: 1 volume
56. IOR/V/27/721/21 Reference (shelfmark): IOR/V/27/721/21 Title: India. Railway Department. Indian Government railway code for the Engineering Department, provisional issue, reprint. Delhi, 1949 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1949 Extent: 1 volume
57. IOR/V/27/721/79 Reference (shelfmark): IOR/V/27/721/79 Title: India. Railway Department, Indian railways schedule of maximum, minimum and recommended dimensions. Metre gauge 1930. 1947 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1947 Extent: 1 volume
58. IOR/V/27/721/88 Reference (shelfmark): IOR/V/27/721/88 Title: Indian Railways Conference Association, Conference regulations, part 1 ... in force from 1 April 1914 [with correction slips]. Bombay: Times Press, 1914 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1914 Extent: 1 volume
59. IOR/V/27/721/89 Reference (shelfmark): IOR/V/27/721/89 Title: Indian Railways Conference Association, Conference regulations, Part 2 ... 1914-15 [with correction slips]. Bombay: Times Press, 1914 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1914 Extent: 1 volume
60. IOR/V/27/721/90 Reference (shelfmark): IOR/V/27/721/90 Title: Indian Railways Conference Association, Conference regulations, Part 2 ... 1915-16 [with correction slips]. Bombay: Times Press, 1915 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1915 Extent: 1 volume