Promotion examinations (R.A.F.) "B" and "C" held on the 27th, 28th, 29th February and 1st March,1928 : report, with copies of the examination papers and examiners' remarks thereon.
Great Britain.Air Ministry,issuing body.
Great Britain.His Majesty's Stationery Office.
"(22.0041.03.28)".