1. Microspore distribution in the seams of the North Staffordshire, Cannock Chase and North Wales Coalfields.;Butterworth;Trans. Inst Min. Engrs,1955
2. Microspore distribution in the coalfields of Britain.;Butterworth;Proc. Int. Committee for Coal Petrol.,1960
3. Lower Carboniferous spores from North-west England.;Butterworth;Palaeontology,1967
4. The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland.;Butterworth;Trans. R. Soc. Edinb.,1958
5. A Lower Carboniferous miospore assemblage from the Calciferous Sandstone Measures of the Cockburnspath region of eastern Scotland.;Clayton;Pollen Spores,1971