Greenfield co-authored ''Design and Analyse your Experiments with Minitab'' with Andrew Metcalfe and ''Engineering Statistics with Matlab''. His inaugural lecture (1980) at Queen's University is still sold as a booklet. His first book, ''Research Methods for Postgraduates'' is highly regarded on both sides of the Atlantic and is now in its third edition, published by Wiley. He has also had a strong hand in ''The Pocket Statistician'', ''Statistical Practice in Business and Industry'' and an ''Encyclopaedia of Statistics in Quality and Reliability''. One of his contributions to his local community of Great Hucklow is the editing of a history of lead mining in the area: ''Lead in the Veins''.
Tony was a founding member and Past President of European Network for Business and Industrial Statistics and for many years he was a prominent member of the Royal Statistical Society. He was the first editor of RSS News and of the ENBIS newsletter and magazine. In its first ten years, ENBIS grew to a membership base of around 1500 practitioners spread across more than sixty countries.