A Seven-level Subschema Model for Evolunionary Database Environment. - R. P. Whittington; Colin Tully (BNCOD, 1982)

A comprehensive and flexible methodology for the development of effective database systems. - R. P. Whittington (1983)

Modelling-Primitives for a Software Engineering Database. - Peter Hitchcock; D. S. Robinson; R. P. Whittington (BNCOD, 1985)

The Use of Databases for Software Engineering. - Peter Hitchcock; Alan W. Brown; R. Weedon; Anthony N. Earl; R. P. Whittington; D. S. Robinson (BNCOD, 1986)