Nutritional experiments undertaken by the Sorby Research Institute on wheatmeal analyses. Analyses of toothpastes and powders, wheatmeal, calcium in several humans' excreta. Lists 6 human volunteers. Includes the following letters loose within the book:

1) Research Association of British Flour Millers, St. Albans to Krebs, 17 May 1941

2) Coxes Lock Milling Co. Ltd, Weybridge, to Krebs, 24th July 1941

3 & 4) Copy letter Research Association of British Flour Millers, St. Albans, to Coxes Lock Milling Co. Ltd, Weybridge, 13 December 1941 (2 copies)

5) Unsigned copy letter, to Dr. R.A. McCance, Department of Medicine, Cambridge, 31st July 1941

6) Unsigned copy letter, to Coxes Lock Milling Co. Ltd, Weybridge, 31st July 1941

7) Postcard with view of Coxes Lock Milling Co. Ltd, Weybridge, 'S.H' to Krebs, postmarked 20 January 1942.