1. Mss Eur E234/83 Reference (shelfmark): Mss Eur E234/83 Title: Scope & Content: Letters from Henry Conybeare, engineer surveying the line Collection Area: India Office Records and Private Papers Languages: English Date Range: Dec 1845-Apr 1846 Extent: Unspecified
2. Mss Eur E234/84 Reference (shelfmark): Mss Eur E234/84 Title: Scope & Content: Letters from Henry Conybeare, engineer surveying the line Collection Area: India Office Records and Private Papers Languages: English Date Range: May-Jul 1846 Extent: Unspecified
3. Mss Eur E234/86 Reference (shelfmark): Mss Eur E234/86 Title: Scope & Content: Letters from William Walker, engineer surveying with Henry Conybeare Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan-Feb 1846 Extent: Unspecified
4. Mss Eur E234/87 Reference (shelfmark): Mss Eur E234/87 Title: Scope & Content: Letters from Joseph Wallis, engineer surveying with Henry Conybeare Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb-Mar 1846 Extent: Unspecified
5. Mss Eur E234/66 Reference (shelfmark): Mss Eur E234/66 Title: Scope & Content: Correspondence with Bombay Directors, officials and others, during Chapman's visit to India Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov-Dec 1845 Extent: Unspecified
6. Mss Eur E234/67 Reference (shelfmark): Mss Eur E234/67 Title: Scope & Content: Correspondence with Bombay Directors, officials and others, during Chapman's visit to India Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan-Jun 1846 Extent: Unspecified
7. Mss Eur E234/68 Reference (shelfmark): Mss Eur E234/68 Title: Scope & Content: Correspondence with London Directors, officials and others, after Chapman's return from India Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep-Dec 1846 Extent: Unspecified
8. Mss Eur E234/71 Reference (shelfmark): Mss Eur E234/71 Title: Scope & Content: Correspondence with London Directors, officials, contractors and politicians including John Bright relating to the parliamentary committee on Indian cotton and Chapman's salary Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan-Jun 1848 Extent: Unspecified
9. Mss Eur E234/81 Reference (shelfmark): Mss Eur E234/81 Title: Scope & Content: Letters from George T Clarke, engineer surveying the line Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1845-Sep 1846 Extent: Unspecified
10. Mss Eur E234/82 Reference (shelfmark): Mss Eur E234/82 Title: Scope & Content: Letters from George T Clarke, engineer surveying the line Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan-Mar 1847 Extent: Unspecified