1. IOR/L/PS/11/274, P 3595/1926 Reference (shelfmark): IOR/L/PS/11/274, P 3595/1926 Title: P 3595/1926 Proposed establishment of a 4th class observatory at Duzdap in Persia Collection Area: India Office Records and Private Papers Languages: English Date Range: 4 Sep 1926-29 Dec 1926 Extent: 1 file