Specialization of the Isolated Common Zeros of a System of Polynomial Equations. D.G. Northcott — 1962 Monatshefte für Mathematik
A Note on Ideals which are Saturated with Respect to a Specialization. D.G. Northcott — 1962 Monatshefte für Mathematik
On the Buchsbaum-Eisenbud theory of finite free resolutions. D.G. Northcott; J.A. Eagon — 1973 Journal für die reine und angewandte Mathematik