1. A Treatise on the Origin, Qualities and Cultivation of Moss-earth;Aiton,1805
2. Peat Stratigraphy and Climate Change;Barber,1981
3. Physical properties of peats as related to degree of decomposition;Boelter;Soil Science Society of America Proceedings,1969
4. The Bog Man and the Archaeology of People;Brothwell,1986
5. Peat;Clymo,1983