TY - BOOK AU - Tymms, F. ED - Great Britain. Directorate of Civil Aviation. TI - Civil Aviation in East Africa: report on investigation, 1928 U1 - 387.7209676 KW - Aeronautics, Commercial KW - Africa, East KW - Airways KW - Air travel N1 - Cyclostyled; ''The original report was illustrated with numerous photographs, whi ch have not been reproduced.'' ER -