Books by D. A. T. Harper
Global Synthesis of the Ordovi
Global Synthesis of the Ordovician System
Early palaeozoic biogeography
Early palaeozoic biogeography and palaeogeography
A revised correlation of Ordovician rocks in the British Isles
Numerical palaeobiology
Microcomputers in palaeontolog
Microcomputers in palaeontology
Brachiopods from the upper Ard
Brachiopods from the upper Ardmillan succession (Ordovician) of the Girvan Distict, Scotland