- FondsBalls - Papers of William Lawrence Balls
- FileG - Collected papers 1917-1946 by W. Lawrence Balls
- 18 more...
- ItemG18 - 'Precision hygrometry with a wet-bulb'
- ItemG19 - 'Day out ... Day in - Amon's merits'
- ItemG20 - 'Mr. Alfred Lucas, O.B.E.'
- ItemG21 - 'Egypt's cotton crop. Factors affecting the yield. Interesting lecture by Dr. Lawrence Balls and Mr. D.S. Gracie'
- ItemG22 - 'Source of Egypt's wealth. The romance of cotton'
- ItemG23a - 'Day in - Day out. Egypt's cotton king'
- ItemG23b - 'Ministry of Agriculture'
- ItemG23c - 'World cotton authority'
- ItemG24 - 'Developments in cotton cultivation. Sakel and its seed supply'
- 35 more...