1. Caffrey, J. M., 1990. Classification, Ecology and Dynamics of Aquatic Plant Communities in Some Irish Rivers. Ph.D. Thesis, University College Dublin, 254
2. Caffrey J. M., 2001. Non boating Leisure Activities on Irish Heritage Canals. World Canals Conference, Waterways Ireland, Dublin, 6
3. Caffrey J. M., Allison J. P. 1998. Eutrophication in canals. In Mollan C. (eds) Eutrophication in Irish waters. Royal Irish Academy, Dublin, pp. 71–81