(1) Agricultural Civil Engineering Words (Illustration) in Africa 1～1000

(2) Agricultural Civil Engineering Words (Illustration) in Africa 1001～1421

(3) How to get rich in Africa (1-1000)(2)

(4) Trees in Africa (1-156)

(5) Concrete in Africa(1-500)

(6) Asphalt Pavement ・Civilengineering Calculation in Africa

(7) Bridge works(Illustration) in Africa(1-530)

(8) Concrete Maintenance (Illustration) in Africa(1～1500)

(9) Eartwork (Illustration) in Africa(1-650)

(10) Foundation works(Illustration) in Africa(1-409)

(11) Construction Machinery　works(Illustration) in Africa(1-427)

(12) Dam works (Illustration) in Africa(1-328)

(14) River works(Illustration) in Africa(1-634)

(15) Sabo works(Illustration) in Africa(1-244)

(16) Tunnel Works(Illustration) in Africa(1-276)

(17) Water Sewage Works(Illustration) in Africa(1-251)

(18) Highway・Asphalt Works(Illustration) in Africa(1-473)

(19) Highway・Asphalt Works(Illustration) in Africa(474-1075)

(20) Highway・Asphalt Works(Illustration) in Africa(1076-1247)

(21) Safety First(Illustration) in Africa(1-247)

(22) Safety First(Illustration) in Africa(248-742)