Geoffrey Leech

An A-Z of English Grammar and Usage (2nd Edition)

By Geoffrey Leech, Susan Conrad, Benita Cruickshank, Roz Ivanic

A Comprehensive Grammar of the English Language (General Grammar)

By Randolph Quirk, Sidney Greenbaum, Geoffrey Leech, Jan Svartvik

English Grammar for Today: A New Introduction

By Geoffrey Leech, Margaret Deuchar, Robert Hoogenraad