1. IOR/L/PS/20/H156/8 Reference (shelfmark): IOR/L/PS/20/H156/8 Title: Proceedings of the conference of Ruling Princes and Chiefs held at Delhi on the 30th October 1916, 5th November 1917, 20th January 1919 and 3rd November 1919 Delhi: Govt of India [Foreign and Political Dept], 1929 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1929 Extent: v, 753pp