Unknown2019-08-222019-08-221959-06-16RPB-103-02-001http://hdl.handle.net/20.500.11867/176896 sheets 8.5 x 11 inch. Printed recto and verso. Final sheet typed and stamped on verso."Following is an extract of a report from the Council of" ICAO entitled, "Civil aviation in 1958."Envelope