1. IOR/V/27/420/48 Reference (shelfmark): IOR/V/27/420/48 Title: Thompson, C M, The tides (Part 5 of the Handbook of professional instructions for the Geodetic Branch, 3rd edition). Dehra Dun, 1926 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1926 Extent: 1 volume