Carte generale aeronautique internationale = International general aeronautical map.
Great Britain.War Office.General Staff.Geographical Section.
[London] : War Office,
1923-26.
Most sheets are GSGS (Air) ...
Accompanied by: "Conventional sign sheet for the International aeronautical maps". GSGS (Air) 121a. 1924.
GSGS (Air) No. 113: Britain. 1:2,186,607. 1924 -- GSGS (Air) No. 115: Egypt. 1:3,218,693. 1924 -- GSGS (Air) No. 116: Iraq. 1:3,218,693. 1924 -- GSGS (Air) No. 122: Balkans. 1:2,765,195. 1924 -- GSGS (Air) No. 126: Kordofan. 1:3,537,016. 1924 -- GSGS (Air) No. 127: Yemen. 1:3,537,016. 1924 -- GSGS (Air) No. 129: Oman. 1:3,537,016. 1923 -- GSGS 3803: Baluchistan. 1:3,216,000. 1926