1. Mss Eur D781/1/4 Reference (shelfmark): Mss Eur D781/1/4 Title: Scope & Content: Earl of Derby, Foreign Secretary, Foreign Office, to Marquess of Salisbury: returns letter; things will be simplified if Mr. Eden's theory is the true one. Collection Area: India Office Records and Private Papers Languages: English Date Range: 9 Apr 1875 Extent: Unspecified