1. Distribution of soil mites (Acarina) on the Moor House National Nature Reserve, Westmorland, with notes on their numerical abundance;Block;Pedobiologia,1965
2. Clapham, A. R., Tutin, T. G., and Wariujrg, E. F., 1952. Flora of the British Isles. Cambridge.
3. Some aspects of the ecology of moorland animals;Cragg;J. Anim. Ecol.,1961
4. Haarløv, N., 1942. A morphologic-systematic-ecological investigation of Acarina, and other microfauna around Morkefjord, N. E. Greenland. Dansk N. E. Greenland Expedition 1938—39. Medd. Grönland, BD. 128, NR. 1. Copenhagen.
5. The Collembolaof eroding blanket bog;Hale,1963