The Evolution of Design in a series of Computers, LEO I-III. - John M. M. Pinkerton (Comput. J., 1961)

The Hardware/Software Interface of the ICL 2900 Range of Computers. - D. H. R. Huxtable; John M. M. Pinkerton (Comput. J., 1977)

The Influence of the Cambridge Mathematical Laboratory on the LEO Project. - John M. M. Pinkerton; Derek Hemy; Ernest H. Lenaerts (IEEE Ann. Hist. Comput., 1992)