1. The Spores of Lycopodium, Phylloglossum, Selaginella and Isoëtes and their Value in the study of Spores of Palaeozoic Age;Knox;Trans. Bot. Soc. Edinb.,1950
2. Pennsylvanian Spores of Illinois and their use in Correlation;Kosanke;State Geol. Surv. Illinois,1950
3. The Microspores in the Coal Seams of North Staffordshire. Part I. The Millstone-Grit-Ten Foot Coals;Millott;Trans. Inst. Inst. Eng.,1939
4. The Microspores of some Northumberland Coals and their Use in the Correlation of Coal Seams;Raistrick;Trans. Inst. Inst. Eng.,1933