H. E. Hurst
Report on The Work of The Physical Department for The Year Ending March 31, 1921 - Egypt Government Press 1922 - 22 27
Ministry of Public Works, Egypt
1921
English
General
Report on The Work of The Physical Department for The Year Ending March 31, 1921 - Egypt Government Press 1922 - 22 27
Ministry of Public Works, Egypt
1921
English
General