1. Coll 5/40 ‘Air Route to India (Persian Gulf): Increase in frequency of Imperial Airways Service’ Creator: Author: Air Ministry Date: 1934/1935 Language: English Geographic region: PalestineEgyptIraq
2. Coll 5/43 ‘Night flying facilities in the Persian Gulf in connection with the Empire Air Mail Scheme’ Date: 1935/1936 Language: English Geographic region: PalestineEgyptIraqTransjordan
