These letters relate to:
Supplementary Mathematics for the Alternative Syllabus by May, A.J.G. and Inman, S. with reports by Parr, H.E., Carrington, C.E. and Parsons, G.L.
A New School Algebra including Calculus by Inman, S., with a report by Clarke, L.H.
Alternative Mathematics, with reports by Slater, W.E., Daltry, C.T. and Carrington, C.E.