- FondsBalls - Papers of William Lawrence Balls
- FileC - Analyses of agricultural yield & other papers by W. Lawrence Balls
- ItemC1 - 'Analyses of agricultural yield. Part I. - the spacing experiment with Egyptian cotton, 1912'
- ItemC2 - 'Analyses of agricultural yield. Part I. - the spacing experiment with Egyptian cotton, 1912'
- ItemC3 - 'Analyses of agricultural yield. Part II. - The sowing-date experiment with Egyptian cotton, 1913'
- ItemC4 - 'Analyses of agricultural yield. Part III. - The influence of natural environmental factors upon the yield of Egyptian cotton'
- ItemC5 - Newspaper cutting reporting a visit by the Sirdar to the plant breeding department of the Department of Agriculture at Giza during which he met Balls.
- 83 more...