1. IOR/L/E/7/1559, File 2773 Reference (shelfmark): IOR/L/E/7/1559, File 2773 Title: File 2773 Aviation - Utilization of the Persia - Moscow Air Service for Indian Mails Collection Area: India Office Records and Private Papers Languages: English Date Range: 22 Apr 1929-19 Jun 1929 Extent: 1 file