1. Elton and Wade, Improvements in and relating to the manufacture of cream crackers;Brit. Pat. 1037883,1966
2. The microflora of cake and its ingredients;Sieler,1978
3. Biscuits, Crackers and Cookies, Vol 1;Wade,1988
4. Technology of biscuit manufacture: investigation of the role of fermentation in the manufacture of cream crackers;Wade;J. Sci. Fd Agric.,1972
5. Brit. Pat. 1580442, Newbery and Wiggins, Improvements relating to the production of biscuits.