Small scale plotting series.
[London] : D. Survey, War Office & Air Ministry,
1958-
Incomplete.
Sheet NW 30/5: Oran - Sofia. (Ed. 6, 1958) -- NW 30/83: New York. (Ed. 2, 1958) --NW 35/10: London - Malta. (Ed. 2, 1959) -- NE 30/19: Benghazi - Tbilisi. (3rd ed., 1959)